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  • 18:29 Popular US History Overview 1: Jamestown to the Civil War

    US History Overview 1: Jamestown to the Civil War

    1,097 views / 3 likes - added

    Jamestown to the Civil War. Correction: Jamestown was the first successful ENGLISH settlement in what is now the United States. The Spanish actually settled St. Augustine, Florida in 1595. More free lessons at: http://www.khanacademy.org/video?v=ghgPq2wjQ

  • 14:23 Popular US History Overview 2 - Reconstruction to the Great Depression

    US History Overview 2 - Reconstruction to the Great Depression

    739 views / 0 likes - added

    Reconstruction to the Great Depression More free lessons at: http://www.khanacademy.org/video?v=zmBV87XA52Q

  • 14:46 US History Overview 3 - WWII to Vietnam

    US History Overview 3 - WWII to Vietnam

    585 views / 0 likes - added

    World War II, Hitler, Cold War, Bay of Pigs, Cuban Missile Crisis and the Space Race More free lessons at: http://www.khanacademy.org/video?v=j2eKaxU-8kA

  • 14:21 20th Century Capitalism and Regulation in the United States

    20th Century Capitalism and Regulation in the United States

    593 views / 0 likes - added

    Overview of cycles of regulation, de-regulation and government in 20th century US capitalism More free lessons at: http://www.khanacademy.org/video?v=J33nVRyTeyU

  • 14:51 French Revolution (Part 2)

    French Revolution (Part 2)

    540 views / 2 likes - added

    Royals try to escape. Champ De Mars Massacre. Declaration of Pillnitz. Movement towards becoming a Republic. More free lessons at: http://www.khanacademy.org/video?v=0t4MF9ZoppM

  • 01:31 Intro to Cryptography

    Intro to Cryptography

    622 views / 0 likes - added

    The basic idea behind why we need cryptography More free lessons at: http://www.khanacademy.org/video?v=Kf9KjCKmDcU

  • 06:01 More on Elasticity of Demand

    More on Elasticity of Demand

    548 views / 0 likes - added

    Looking a bit deeper at why elasticity changes despite having a linear demand curve More free lessons at: http://www.khanacademy.org/video?v=YOT8ryWzwbY

  • 12:15 Marginal Utility

    Marginal Utility

    534 views / 0 likes - added

    Marginal utility and marginal benefit. How you would spend $5 on chocolate and fruit More free lessons at: http://www.khanacademy.org/video?v=Kf9KhwryQNE

  • 10:17 Perfect Competition

    Perfect Competition

    601 views / 0 likes - added

    Conditions for perfect competition. Looking at the airline industry More free lessons at: http://www.khanacademy.org/video?v=_NznT4Cn8As

  • 09:20 Game Theory of Cheating Firms

    Game Theory of Cheating Firms

    697 views / 0 likes - added

    Pareto Optimality and more on Nash Equilibrium. Seeing how cheating duopolists parallels the prisoners dilemma More free lessons at: http://www.khanacademy.org/video?v=XTMbRDRaviM

  • 07:32 Investment and Consumption

    Investment and Consumption

    445 views / 0 likes - added

    Difference between every day and economic notions of investment and consumption More free lessons at: http://www.khanacademy.org/video?v=N9VIsauE0RA

  • 08:54 Monetary and Fiscal Policy

    Monetary and Fiscal Policy

    485 views / 0 likes - added

    Basic mechanics of monetary and fiscal policy More free lessons at: http://www.khanacademy.org/video?v=ntxMOKXHlfo

  • 07:49 LM part of the IS-LM model

    LM part of the IS-LM model

    490 views / 0 likes - added

    How the theory of liquidity preference drives demand for money and the LM (liquidity preference-money supply) curve More free lessons at: http://www.khanacademy.org/video?v=yro2jLBfyDQ

  • 08:21 How and why Greece would leave the Euro (part 3)

    How and why Greece would leave the Euro (part 3)

    463 views / 0 likes - added

    The pain and mechanics of leaving the Euro More free lessons at: http://www.khanacademy.org/video?v=jkmwAJMERrY

  • 08:09 Why Europe is worried about Greece

    Why Europe is worried about Greece

    563 views / 0 likes - added

    Why the Greek situation is scary for Europe as a whole More free lessons at: http://www.khanacademy.org/video?v=xc-TSAQkqJ0

  • 04:04 Imaginary Roots of Negative Numbers

    Imaginary Roots of Negative Numbers

    541 views / 0 likes - added

    u16_l4_t1_we2 Imaginary Roots of Negative Numbers More free lessons at: http://www.khanacademy.org/video?v=s03qez-6JMA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 07:22 Vitamin C and the Limeys

    Vitamin C and the Limeys

    551 views / 0 likes - added

    Sal and Dr. David Agus talk about the history of Scurvy and Vitamin C

  • 04:03 Carry Trade Basics

    Carry Trade Basics

    649 views / 0 likes - added

    The mechanics of the carry trade More free lessons at: http://www.khanacademy.org/video?v=8In5PK1yUAA

  • 13:14 Scale of the Small

    Scale of the Small

    691 views / 0 likes - added

    From honey bees to cells, virus, and atoms -- understanding the scale of the very small More free lessons at: http://www.khanacademy.org/video?v=ERKx3Oa2omo

  • 09:17 Basic Trigonometry

    Basic Trigonometry

    685 views / 1 likes - added

    Introduction to trigonometry More free lessons at: http://www.khanacademy.org/video?v=Jsiy4TxgIME

  • 03:51 Stock Dilution

    Stock Dilution

    442 views / 0 likes - added

    Why the value per share does not really get diluted when more shares are issued in a secondary offering More free lessons at: http://www.khanacademy.org/video?v=tjQzJ7GY0GY

  • 05:20 Introduction to i and Imaginary Numbers

    Introduction to i and Imaginary Numbers

    662 views / 0 likes - added

    Introduction to i and imaginary numbers More free lessons at: http://www.khanacademy.org/video?v=ysVcAYo7UPI

  • 08:45 Basic Trigonometry

    Basic Trigonometry

    619 views / 0 likes - added

    An introduction to trigonometric functions: sine, cosine, and tangent.

  • 05:56 Basic Trigonometry II

    Basic Trigonometry II

    672 views / 0 likes - added

    Another example of figuring out the sine, cosine, and tangent of an angle in a right triangle

  • 16:36 2003 AIME II Problem 11.avi

    2003 AIME II Problem 11.avi

    602 views / 0 likes - added

    A little trigonometry to figure out the area of a triangle More free lessons at: http://www.khanacademy.org/video?v=smtrrefmC40

  • 18:18 2003 AIME II Problem 14

    2003 AIME II Problem 14

    588 views / 0 likes - added

    Trigonometry and geometry to find the area of an equilateral (but not regular) hexagon More free lessons at: http://www.khanacademy.org/video?v=Ec-BKdC8vOo

  • 11:54 2003 AIME II Problem 15 (part 1)

    2003 AIME II Problem 15 (part 1)

    589 views / 0 likes - added

    Finding the sum of the absolute value of the imaginary parts of the square of the roots of a crazy polynomial More free lessons at: http://www.khanacademy.org/video?v=2eLAEMRrR7Q

  • 11:33 2003 AIME II Problem 15 (part 2)

    2003 AIME II Problem 15 (part 2)

    493 views / 0 likes - added

    Finding the sum of the absolute value of the imaginary parts of the square of the roots of a crazy polynomial More free lessons at: http://www.khanacademy.org/video?v=TljVBB7gxbE

  • 09:32 2003 AIME II Problem 15 (part 3)

    2003 AIME II Problem 15 (part 3)

    647 views / 0 likes - added

    Finding the sum of the absolute value of the imaginary parts of the square of the roots of a crazy polynomial More free lessons at: http://www.khanacademy.org/video?v=JTpXK2mENH4

  • 15:14 Popular IIT JEE Trigonometry Problem 1

    IIT JEE Trigonometry Problem 1

    773 views / 0 likes - added

    2010 IIT JEE Paper I #29 Trigonometry problem More free lessons at: http://www.khanacademy.org/video?v=X7GT9JKoAbo

  • 10:10 Popular IIT JEE Hairy Trig and Algebra (part 1)

    IIT JEE Hairy Trig and Algebra (part 1)

    712 views / 0 likes - added

    2010 Paper 1 problem 38 Hairy Trig and Algebra.avi More free lessons at: http://www.khanacademy.org/video?v=dOxXl_6BDQc

  • 09:54 IIT JEE Hairy Trig and Algebra (Part 2)

    IIT JEE Hairy Trig and Algebra (Part 2)

    693 views / 0 likes - added

    2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 2) More free lessons at: http://www.khanacademy.org/video?v=6t9ogglXNIM

  • 06:28 IIT JEE Hairy Trig and Algebra (Part 3)

    IIT JEE Hairy Trig and Algebra (Part 3)

    678 views / 0 likes - added

    2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 3) More free lessons at: http://www.khanacademy.org/video?v=KVRpXvrsSKM

  • 14:25 Popular Vector Triple Product Expansion (very optional)

    Vector Triple Product Expansion (very optional)

    891 views / 0 likes - added

    A shortcut for having to evaluate the cross product of three vectors More free lessons at: http://www.khanacademy.org/video?v=b7JTVLc_aMk

  • 10:04 Popular Tangent Line Hyperbola Relationship (very optional)

    Tangent Line Hyperbola Relationship (very optional)

    1,207 views / 0 likes - added

    How a tangent line relates to a hyperbola. Might be useful for some competitive exams where there isn't time to derive (like we are doing in this video) More free lessons at: http://www.khanacademy.org/video?v=c_8QQbVQKU0

  • 09:56 Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon

    Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon

    680 views / 0 likes - added

    Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon. Great Oxygenation Event (Oxygen Catastrophe) More free lessons at: http://www.khanacademy.org/video?v=E1P79uFLCMc

  • 08:01 Hawaiian Islands Formation

    Hawaiian Islands Formation

    650 views / 0 likes - added

    Hawaiian Islands formed by stationary hot spot under Pacific plate More free lessons at: http://www.khanacademy.org/video?v=D1eibbfAEVk

  • 06:13 The Mohorovicic Seismic Discontinuity

    The Mohorovicic Seismic Discontinuity

    637 views / 0 likes - added

    The Mohorovicic Seismic Discontinuity- boundary between crust and mantle (or Moho) More free lessons at: http://www.khanacademy.org/video?v=yAQSucmHrAk

  • 10:35 Potassium-Argon (K-Ar) Dating

    Potassium-Argon (K-Ar) Dating

    630 views / 0 likes - added

    How K-Ar dating can be used to date very old volcanic rock and the things that might be buried in between More free lessons at: http://www.khanacademy.org/video?v=NMZ5kJEviD0

  • 05:10 Popular U.S. Customary and Metric units

    U.S. Customary and Metric units

    734 views / 0 likes - added

    U06_L2_T1_we1 U.S. Customary and Metric units More free lessons at: http://www.khanacademy.org/video?v=y2RHWA7t0WM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:36 Identifying Complementary and Supplementary Angles

    Identifying Complementary and Supplementary Angles

    622 views / 0 likes - added

    u07_l1_t2_we2 Identifying Complementary and Supplementary Angles Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 08:59 More Organic Chemistry Naming Examples 1

    More Organic Chemistry Naming Examples 1

    579 views / 0 likes - added

    More Organic Chemistry Naming Examples 1

  • 10:26 Organic Chemistry Naming Examples 2

    Organic Chemistry Naming Examples 2

    497 views / 0 likes - added

    Organic Chemistry Naming Examples 2 More free lessons at: http://www.khanacademy.org/video?v=CJRQ8gOjq4E

  • 08:11 Organic Chemistry Naming Examples 3

    Organic Chemistry Naming Examples 3

    491 views / 0 likes - added

    Organic Chemistry Naming Examples 3 More free lessons at: http://www.khanacademy.org/video?v=Se-ekDNhCDk

  • 07:48 Organic Chemistry Naming Examples  4

    Organic Chemistry Naming Examples 4

    501 views / 0 likes - added

    Organic Chemistry Naming Examples 4

  • 10:04 Organic Chemistry Naming Examples 5

    Organic Chemistry Naming Examples 5

    481 views / 0 likes - added

    Organic Chemistry Naming Examples 5 More free lessons at: http://www.khanacademy.org/video?v=6BR0Q5e74bs

  • 11:12 Newman Projections 2

    Newman Projections 2

    379 views / 0 likes - added

    Newman Projections 2 More free lessons at: http://www.khanacademy.org/video?v=ryJvNEHcuDg

  • 10:01 Sn2 Stereochemistry

    Sn2 Stereochemistry

    469 views / 0 likes - added

    Sn2 Stereochemistry

  • 05:57 Finding the 100th Term in a Sequence

    Finding the 100th Term in a Sequence

    643 views / 0 likes - added

    U03_L1_T2_we2 : Finding the 100th Term in a Sequence More free lessons at: http://www.khanacademy.org/video?v=JtsyP0tnVRY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:29 Understanding Logical Statements Commentary

    Understanding Logical Statements Commentary

    495 views / 0 likes - added

    Understanding Logical Statements Commentary

  • 10:51 Probability of Dependent Events 2

    Probability of Dependent Events 2

    488 views / 0 likes - added

    U12_L2_T4_we3 Probability of Dependent Events 2 More free lessons at: http://www.khanacademy.org/video?v=ccrYD6iX_SY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 09:13 Equations of Parallel and Perpendicular Lines

    Equations of Parallel and Perpendicular Lines

    699 views / 0 likes - added

    Equations of Parallel and Perpendicular Lines More free lessons at: http://www.khanacademy.org/video?v=9hryH94KFJA

  • 08:50 Popular Visual Pythagorean Theorem Proof

    Visual Pythagorean Theorem Proof

    771 views / 0 likes - added

    Visual Pythagorean Theorem Proof - some basic geometry required

  • 18:23 Chromosomes, Chromatids, Chromatin, etc.

    Chromosomes, Chromatids, Chromatin, etc.

    498 views / 0 likes - added

    The vocabulary of DNA: chromosomes, chromatids, chromatin, transcription, translation, and replication More free lessons at: http://www.khanacademy.org/video?v=s9HPNwXd9fk

  • 19:55 Embryonic Stem Cells

    Embryonic Stem Cells

    515 views / 0 likes - added

    An overview of early development of a zygote to an embryo. Embryonic and somatic stem cells. More free lessons at: http://www.khanacademy.org/video?v=-yCIMk1x0Pk

  • 17:08 Oxidation and Reduction in Cellular Respiration

    Oxidation and Reduction in Cellular Respiration

    487 views / 0 likes - added

    Oxidation and reduction in cellular respiration. Reconciling the biology and chemistry definitions of oxidation and reduction. More free lessons at: http://www.khanacademy.org/video?v=_KyyVhlUDNU

  • 04:59 Oxidative Phosphorylation and Chemiosmosis

    Oxidative Phosphorylation and Chemiosmosis

    483 views / 0 likes - added

    Oxidative Phosphorylation and Chemiosmosis (along with slight correction of previous video) More free lessons at: http://www.khanacademy.org/video?v=W_Q17tqw_7A

  • 18:51 Popular Photosynthesis:  Light Reactions and Photophosphorylation

    Photosynthesis: Light Reactions and Photophosphorylation

    820 views / 0 likes - added

    More detail on the light reactions and photophorylation More free lessons at: http://www.khanacademy.org/video?v=yfR36PMWegg

  • 20:33 The Lungs and Pulmonary System

    The Lungs and Pulmonary System

    518 views / 0 likes - added

    The pulmonary system including the lungs, larynx, trachea, bronchi, bronchioles, alveoli and thoracic diaphragm More free lessons at: http://www.khanacademy.org/video?v=SPGRkexI_cs

  • 14:57 Popular Circulatory System and the Heart

    Circulatory System and the Heart

    891 views / 3 likes - added

    Introduction to the circulatory system and the heart More free lessons at: http://www.khanacademy.org/video?v=QhiVnFvshZg

  • 14:34 Hemoglobin

    Hemoglobin

    510 views / 0 likes - added

    Hemoglobin and its role in the circulatory system More free lessons at: http://www.khanacademy.org/video?v=LWtXthfG9_M

  • 14:35 Inflammatory Response

    Inflammatory Response

    482 views / 0 likes - added

    Overview of the inflammatory response More free lessons at: http://www.khanacademy.org/video?v=FXSuEIMrPQk

  • 14:13 Secondary Active Transport in the Nephron

    Secondary Active Transport in the Nephron

    396 views / 0 likes - added

    Secondary Active Transport in the Nephron More free lessons at: http://www.khanacademy.org/video?v=czY5nyvZ7cU

  • 14:28 Balancing Chemical Equations

    Balancing Chemical Equations

    633 views / 0 likes - added

    The art of balancing equations in chemistry! More free lessons at: http://www.khanacademy.org/video?v=RnGu3xO2h74

  • 09:56 Stoichiometry

    Stoichiometry

    510 views / 0 likes - added

    Introduction to stoichiometry More free lessons at: http://www.khanacademy.org/video?v=SjQG3rKSZUQ

  • 15:04 Stoichiometry: Limiting Reagent

    Stoichiometry: Limiting Reagent

    509 views / 0 likes - added

    Stoichiometry problem where we have a limiting reagent! More free lessons at: http://www.khanacademy.org/video?v=rESzyhPOJ7I

  • 05:04 Ideal Gas Example 4

    Ideal Gas Example 4

    505 views / 0 likes - added

    Figuring out the molar mass of a mystery molecule at STP. More free lessons at: http://www.khanacademy.org/video?v=Osl6HEDZZ-E

  • 11:23 Chilling Water Problem

    Chilling Water Problem

    674 views / 0 likes - added

    How much ice at -10 degrees C is necessary to get 500g of water down to 0 degrees C? More free lessons at: http://www.khanacademy.org/video?v=lsXcKgjg8Hs

  • 09:14 Covalent Networks, Metallic, and Ionic Crystals

    Covalent Networks, Metallic, and Ionic Crystals

    578 views / 1 likes - added

    Covalent Networks, Metallic, and Ionic Crystals: Some of the strongest molecular structures. More free lessons at: http://www.khanacademy.org/video?v=Rw_pDVbnfQk

  • 12:52 Keq Intuition (mathy and not necessary to progress)

    Keq Intuition (mathy and not necessary to progress)

    501 views / 1 likes - added

    A probabilistic look at how molecules react to develop the intuition behind the equilibrium constant formula. More free lessons at: http://www.khanacademy.org/video?v=ONBJo7dXJm8

  • 18:37 Acid Base Introduction

    Acid Base Introduction

    578 views / 0 likes - added

    Arrhenius, Bronsted Lowry, and Lewis Acids and Bases. More free lessons at: http://www.khanacademy.org/video?v=vShCnTY1-T0

  • 12:22 Exponential Decay Formula Proof (can skip, involves Calculus)

    Exponential Decay Formula Proof (can skip, involves Calculus)

    644 views / 0 likes - added

    Showing that N(t)=Ne^(-kt) describes the amount of a radioactive substance we have at time T. For students with background in Calculus. Not necessary for intro chemistry class. More free lessons at: http://www.khanacademy.org/video?v=H7nrVDV8ahc

  • 13:35 Stoichiometry Example Problem 1

    Stoichiometry Example Problem 1

    602 views / 0 likes - added

    Figuring grams of reactants and product produced from reaction of phosphorous and chlorine More free lessons at: http://www.khanacademy.org/video?v=jFv6k2OV7IU

  • 18:53 Stoichiometry Example Problem 2

    Stoichiometry Example Problem 2

    511 views / 0 likes - added

    Stoichiometry Example Problem 2 More free lessons at: http://www.khanacademy.org/video?v=eQf_EAYGo-k

  • 16:45 Empirical and Molecular Formulas from Stoichiometry

    Empirical and Molecular Formulas from Stoichiometry

    546 views / 0 likes - added

    Empirical and Molecular Formulas from Stoichiometry More free lessons at: http://www.khanacademy.org/video?v=FycJ8X67xEU

  • 10:18 Stoichiometry of a Reaction in Solution

    Stoichiometry of a Reaction in Solution

    570 views / 1 likes - added

    Stoichiometry of a Reaction in Solution More free lessons at: http://www.khanacademy.org/video?v=EKZSwjVR594

  • 09:47 Another Stoichiometry Example in a Solution

    Another Stoichiometry Example in a Solution

    493 views / 0 likes - added

    Another Stoichiometry Example in a Solution More free lessons at: http://www.khanacademy.org/video?v=_qrQKBB2jt8

  • 10:34 Molecular and Empirical Forumlas from Percent Composition

    Molecular and Empirical Forumlas from Percent Composition

    466 views / 0 likes - added

    Molecular and Empirical Forumlas from Percent Composition. Example 2.9 from Kotz Chemistry book More free lessons at: http://www.khanacademy.org/video?v=_H009sTvYE0

  • 13:06 Spectrophotometry Introduction

    Spectrophotometry Introduction

    451 views / 0 likes - added

    Spectrophotometry, Transmittance, Absorbance and the Beer-Lambert Law More free lessons at: http://www.khanacademy.org/video?v=qbCZbP6_j48

  • 12:43 Spectrophotometry Example

    Spectrophotometry Example

    477 views / 0 likes - added

    Spectrophotometry Example - Determining concentration based on absorbance More free lessons at: http://www.khanacademy.org/video?v=VqAa_cmZ7OY

  • 11:13 Economics of a Cupcake Factory

    Economics of a Cupcake Factory

    600 views / 0 likes - added

    Economics of a simple business leading up to a discussion on inflation/deflation. Touching on income statements. More free lessons at: http://www.khanacademy.org/video?v=XDIBJyNnLOU

  • 12:25 Geithner Plan 2.5

    Geithner Plan 2.5

    580 views / 0 likes - added

    More exotic ways that a bank could buy transfer exposure to the taxpayer. More free lessons at: http://www.khanacademy.org/video?v=0FxRYePmogU

  • 10:18 Geithner 5: A better solution

    Geithner 5: A better solution

    449 views / 0 likes - added

    A better way to solve the "liquidity" and "price discovery" problem. More free lessons at: http://www.khanacademy.org/video?v=kpqSeXpiM6k

  • 06:59 Popular Bernoulli Distribution Mean and Variance Formulas

    Bernoulli Distribution Mean and Variance Formulas

    723 views / 0 likes - added

    Bernoulli Distribution Mean and Variance Formulas More free lessons at: http://www.khanacademy.org/video?v=ry81_iSHt6E

  • 11:26 Bailout 1: Liquidity vs. Solvency

    Bailout 1: Liquidity vs. Solvency

    634 views / 0 likes - added

    Review of balance sheets. Difference between illiquidity and insolvency. More free lessons at: http://www.khanacademy.org/video?v=ZUEjRYe7MRk

  • 19:13 Fractional Reserve Banking Commentary 1

    Fractional Reserve Banking Commentary 1

    666 views / 0 likes - added

    Understanding the weak points of Fractional Reserve Banking More free lessons at: http://www.khanacademy.org/video?v=ZyyaE3DIxhc

  • 17:20 FRB Commentary 2: Deposit Insurance

    FRB Commentary 2: Deposit Insurance

    608 views / 0 likes - added

    More on the weaknesses of fractional reserve banking. The FDIC and deposit insurance and its side effects. More free lessons at: http://www.khanacademy.org/video?v=otstXFxMkl4

  • 21:28 FRB Commentary 3: Big Picture

    FRB Commentary 3: Big Picture

    664 views / 0 likes - added

    Summary of thoughts in last two videos. Discussion of why Fractional Reserve Banking is a subsidy to banks and allows them to arbitrage the yield curve. More free lessons at: http://www.khanacademy.org/video?v=8SAMey9Gl5I

  • 19:12 Popular Laplace/Step Function Differential Equation

    Laplace/Step Function Differential Equation

    738 views / 0 likes - added

    Hairy differential equation involving a step function that we use the Laplace Transform to solve. More free lessons at: http://www.khanacademy.org/video?v=R0JY8oWsuOY

  • 13:08 Null Space 2: Calculating the null space of a matrix

    Null Space 2: Calculating the null space of a matrix

    693 views / 0 likes - added

    Calculating the null space of a matrix More free lessons at: http://www.khanacademy.org/video?v=qvyboGryeA8

  • 15:23 Popular Preimage and Kernel Example

    Preimage and Kernel Example

    701 views / 0 likes - added

    Example involving the preimage of a set under a transformation. Definition of kernel of a transformation. More free lessons at: http://www.khanacademy.org/video?v=6yrPU8rYOhs

  • 18:40 Linear Algebra: nxn Determinant

    Linear Algebra: nxn Determinant

    631 views / 0 likes - added

    Defining the determinant for nxn matrices. An exampled of a 4x4 determinant. More free lessons at: http://www.khanacademy.org/video?v=H9BWRYJNIv4

  • 16:55 Popular Linear Algebra: Determinant when row is added

    Linear Algebra: Determinant when row is added

    916 views / 0 likes - added

    The determinant when one matrix has a row that is the sum of the rows of other matrices (and every other term is identical in the 3 matrices) More free lessons at: http://www.khanacademy.org/video?v=VrB3LaSD_uo

  • 06:42 Lin Alg: Finding projection onto subspace with orthonormal basis example

    Lin Alg: Finding projection onto subspace with orthonormal basis example

    665 views / 0 likes - added

    Example of finding the transformation matrix for the projection onto a subspace with an orthonormal basis More free lessons at: http://www.khanacademy.org/video?v=SUoqA9srY1Q

  • 08:00 Newton's Third Law of Motion

    Newton's Third Law of Motion

    513 views / 0 likes - added

    Every action has an equal and opposite reaction More free lessons at: http://www.khanacademy.org/video?v=By-ggTfeuJU

  • 10:35 Would a Brick or Feather Fall Faster

    Would a Brick or Feather Fall Faster

    659 views / 0 likes - added

    What would fall faster on the moon? More free lessons at: http://www.khanacademy.org/video?v=36Rym2q4H94

  • 08:41 Popular Force of Friction Keeping the Block Stationary

    Force of Friction Keeping the Block Stationary

    806 views / 0 likes - added

    Block of wood kept stationary by the force of friction (Correction made in next video) More free lessons at: http://www.khanacademy.org/video?v=v8ODIMqbQ44

  • 00:51 Correction to Force of Friction Keeping the Block Stationary

    Correction to Force of Friction Keeping the Block Stationary

    469 views / 0 likes - added

    Correction to Force of Friction Keeping the Block Stationary More free lessons at: http://www.khanacademy.org/video?v=BukTc4q9BMc

  • 03:01 Loop De Loop Question

    Loop De Loop Question

    650 views / 0 likes - added

    Asks students to find the minimum speed necessary to complete the loop de loop More free lessons at: http://www.khanacademy.org/video?v=wjZb3zPuoeA

  • 06:36 Space Station Speed in Orbit

    Space Station Speed in Orbit

    665 views / 0 likes - added

    Speed necessary for the space station to stay in orbit More free lessons at: http://www.khanacademy.org/video?v=9BNkmfHYYYI

  • 10:09 Fluids (part 4)

    Fluids (part 4)

    472 views / 0 likes - added

    Using our understanding of fluid pressure to figure out the height of a column of mercury. More free lessons at: http://www.khanacademy.org/video?v=i6gz9VFyYks

  • 09:51 Electric Potential Energy (part 2-- involves calculus)

    Electric Potential Energy (part 2-- involves calculus)

    632 views / 0 likes - added

    Electric potential energy difference in a varying field More free lessons at: http://www.khanacademy.org/video?v=CqsYCIjSm9A

  • 07:07 Circuits (part 4)

    Circuits (part 4)

    454 views / 0 likes - added

    A hairy resistance problem More free lessons at: http://www.khanacademy.org/video?v=3NcIK0s3IwU

  • 10:55 Magnetism 5

    Magnetism 5

    501 views / 0 likes - added

    Magnetic force on a wire carrying current. More free lessons at: http://www.khanacademy.org/video?v=jQ2nD8ZGeEw

  • 09:42 Magnetism 6: Magnetic field due to current

    Magnetism 6: Magnetic field due to current

    670 views / 0 likes - added

    See how a wire carrying a current creates a magnetic field. More free lessons at: http://www.khanacademy.org/video?v=Ri557hvwhcM

  • 11:00 Magnetism 7

    Magnetism 7

    527 views / 0 likes - added

    The magnetic force that two current-carrying wires exert on each other. More free lessons at: http://www.khanacademy.org/video?v=l3hw0twZSCc

  • 11:01 Magnetism 8

    Magnetism 8

    522 views / 0 likes - added

    More on the forces exerted by 2 current carrying wires on each other. More free lessons at: http://www.khanacademy.org/video?v=4tctB1wZNiI

  • 09:05 The Bicameral Congress: Crash Course Government and Politics #2

    The Bicameral Congress: Crash Course Government and Politics #2

    700 views / 0 likes - added

    In which Craig Benzine teaches you about the United States Congress, and why it's bicameral, and what bicameral means. Craig tells you what the Senate and House of Representatives are for, some of the history of the institutions, and reveal to you just ho

  • 08:31 Popular Separation of Powers and Checks and Balances: Crash Course Government and Politics #3

    Separation of Powers and Checks and Balances: Crash Course Government and Politics #3

    1,690 views / 2 likes - added

    In which Craig Benzine teaches you about the US Governments Separation of powers and the system of checks and balances. In theory, the Legislative Branch, the Executive Branch, and the Judicial Brach are designed to keep each other in check, and to keep a

  • 09:15 Federalism: Crash Course Government and Politics #4

    Federalism: Crash Course Government and Politics #4

    692 views / 0 likes - added

    In which Craig Benzine teaches you about federalism, or the idea that in the United States, power is divided between the national government and the 50 state governments. Craig will teach you about how federalism has evolved over the history of the US, an

  • 08:57 Popular Constitutional Compromises: Crash Course Government and Politics #5

    Constitutional Compromises: Crash Course Government and Politics #5

    791 views / 1 likes - added

    In which Craig Benzine teaches you about the compromises met in ratifying the U.S. Constitution. The United State’s didn’t always have its current system of government. Actually, this is it’s second attempt. Craig will delve into the failures (and few suc

  • 08:28 Congressional Committees: Crash Course Government and Politics #7

    Congressional Committees: Crash Course Government and Politics #7

    696 views / 0 likes - added

    This week Craig Benzine clears up the role of committees in Congress. We’ll talk about standing committees, joint committees, conference committees, and caucuses (and not the candidate-choosing kinds) as well as the staff agencies that help advise these c

  • 08:12 Congressional Leadership: Crash Course Government and Politics #8

    Congressional Leadership: Crash Course Government and Politics #8

    647 views / 0 likes - added

    This week Craig Benzine explores the leadership structure of congress. We’ll break out the clone machine to examine the responsibilities of the speaker of the house, the majority and minority leaders as well as the majority and minority whips in both the

  • 07:01 Popular How a Bill Becomes a Law: Crash Course Government and Politics #9

    How a Bill Becomes a Law: Crash Course Government and Politics #9

    791 views / 1 likes - added

    Oh my, Craig has his work cut out for him this week. The process of how a bill becomes a law can be pretty complex, fraught with potential bill-death at every corner. As if just getting through committee isn’t difficult enough, bills have to navigate a se

  • 06:36 Congressional Decisions: Crash Course Government and Politics #10

    Congressional Decisions: Crash Course Government and Politics #10

    631 views / 0 likes - added

    This week Craig breaks out the crystal ball to try and figure out why our congresspeople do the things that they do. We’ll talk about the three motivating factors of congressional decisions - constituency, interest groups, and political parties - and we’l

  • 12:12 Popular Introduction to Astronomy: Crash Course Astronomy #1

    Introduction to Astronomy: Crash Course Astronomy #1

    720 views / 3 likes - added

    Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?" -- Table of Contents: What is Astronomy? 3:00 Who Studie

  • 11:17 Naked Eye Observations: Crash Course Astronomy #2

    Naked Eye Observations: Crash Course Astronomy #2

    667 views / 0 likes - added

    Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye. -- Table of Contents: Naked Eye Observations 0:28.4 Constellations 3:09.7 The Color of Stars 2:44.5 View of the

  • 09:46 Popular Moon Phases: Crash Course Astronomy #4

    Moon Phases: Crash Course Astronomy #4

    1,954 views / 6 likes - added

    In this episode of Crash Course Astronomy, Phil takes you through the cause and name of the Moon's phases. -- Why the Moon Has Phases 0:36.1 Spheres in Orbit 1:05.4 Name of the Moon Phases 2:25.5 How We See It 7:48.2 -- PBS Digital Studios: http://youtube

  • 10:32 Popular Eclipses: Crash Course Astronomy #5

    Eclipses: Crash Course Astronomy #5

    834 views / 0 likes - added

    The big question in the comments last week was, "BUT WHAT ABOUT ECLIPSES?" Today, Phil breaks 'em down for you. This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourse -- As promised, Phil's sun spotting recommendations: Astronome

  • 12:01 Telescopes: Crash Course Astronomy #6

    Telescopes: Crash Course Astronomy #6

    669 views / 0 likes - added

    Today Phil explains how telescopes work and offers up some astronomical shopping advice. -- How Telescopes Work 1:07 Refractors vs Reflectors 2:50 Technology and the Light Spectrum 7:45 -- PBS Digital Studios: http://youtube.com/pbsdigitalstudios Follow P

  • 10:17 Popular Introduction to the Solar System: Crash Course Astronomy #9

    Introduction to the Solar System: Crash Course Astronomy #9

    979 views / 1 likes - added

    In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today. This episode is sponsored by Squaresp

  • 12:04 Popular The Sun: Crash Course Astronomy #10

    The Sun: Crash Course Astronomy #10

    797 views / 2 likes - added

    Phil takes us for a closer (eye safe!) look at the two-octillion ton star that rules our solar system. We look at the sun's core, plasma, magnetic fields, sunspots, solar flares, coronal mass ejections, and what all of that means for our planet. This epis

  • 10:14 Popular The Earth: Crash Course Astronomy #11

    The Earth: Crash Course Astronomy #11

    882 views / 0 likes - added

    Phil starts the planet-by-planet tour of the solar system right here at home, Earth. -- Table of Contents Earth is a Planet 0:03 Layers of Earth 1:25 The Magnetic Field 5:10 Atmosphere and the Human Influence 6:14 -- PBS Digital Studios: http://youtube.co

  • 09:51 Popular The Moon: Astronomy #12

    The Moon: Astronomy #12

    957 views / 1 likes - added

    Join Phil for a tour of our capital-M Moon, from surface features, inside to the core, and back in time to theories about its formation. This episode is brought to you by Squarespace: http://www.squarespace.com/crashcourse -- Table of Contents Many Millio

  • 11:21 Popular Introduction to Anatomy&Physiology: Crash Course A&P #1

    Introduction to Anatomy&Physiology: Crash Course A&P #1

    851 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 10:43 Popular Tissues, Part 1: Crash Course A&P #2

    Tissues, Part 1: Crash Course A&P #2

    888 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Jordan Schoonover FROM: Mom, Dad&Madison Happy Birthday Jordan! We love you sweetheart!! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything w

  • 10:16 Popular Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3

    Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3

    1,541 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO : Phoebe and James McMullan FROM : Dad Continue being awesome Phoebe&James from John&Hank! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 10:29 Popular Tissues, Part 3 - Connective Tissues: Crash Course A&P #4

    Tissues, Part 3 - Connective Tissues: Crash Course A&P #4

    1,139 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Ashley FROM: Fee Happy birthday nerd also I love you lots and lots *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if y

  • 09:43 Popular Tissues, Part 4 - Types of Connective Tissues: Crash Course A&P #5

    Tissues, Part 4 - Types of Connective Tissues: Crash Course A&P #5

    1,609 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: the world. FROM: Laura Love Rathbun Learning is the best thing to do with your you! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're

  • 09:40 Popular The Integumentary System, Part 1 - Skin Deep: Crash Course A&P #6

    The Integumentary System, Part 1 - Skin Deep: Crash Course A&P #6

    859 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Ciaran FROM: your sister Jillian Happy birthday! Hope you enjoy being immortalized via doobly-doo! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with ev

  • 09:57 Popular The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P #7

    The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P #7

    753 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Helle Søndergaard FROM: Martin Søndergaard Congratulations for finishing first semester on physiotherapy! I'm so proud! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as

  • 10:36 Popular The Nervous System, Part 1: Crash Course A&P #8

    The Nervous System, Part 1: Crash Course A&P #8

    1,172 views / 1 likes - added

    •••SUBBABLE MESSAGE••• TO: Kerry FROM: Cale I love you with all my ha-art. Deadset. *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can aff

  • 11:44 Popular The Nervous System, Part 2 - Action! Potential!: Crash Course A&P #9

    The Nervous System, Part 2 - Action! Potential!: Crash Course A&P #9

    1,146 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Carla FROM: Christopher Next stop is whenever. Just be like, "stop." *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if

  • 10:57 Popular The Nervous System, Part 3 - Synapses!: Crash Course A&P #10

    The Nervous System, Part 3 - Synapses!: Crash Course A&P #10

    1,418 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: NerdFighteria FROM: Dave at DTXC.CO Cycling t-shirts at DTXC.CO. Don't give up the Road! DFTBA! *** Subbable Co-Sponsors: Logan Sanders https://www.facebook.com/perrylogans Dr. Boyev http://youtube.com/taichiknees *** You can di

  • 10:08 Popular Central Nervous System: Crash Course A&P #11

    Central Nervous System: Crash Course A&P #11

    1,191 views / 1 likes - added

    Today Hank talks about your central nervous system. In this episode we'll explore how your brain develops and how important location is for each of your brain's many functions. Table of Contents Central Nervous System, Location and Brain Function 1:48 Bra

  • 10:02 Popular Peripheral Nervous System: Crash Course A&P #12

    Peripheral Nervous System: Crash Course A&P #12

    1,531 views / 2 likes - added

    It is now time to meet the system that helps your crazy brain stay in touch with the outside world. We follow up last week's tour of the central nervous system with a look at your peripheral nervous system, its afferent and efferent divisions, how it proc

  • 08:49 Popular Autonomic Nervous System: Crash Course A&P #13

    Autonomic Nervous System: Crash Course A&P #13

    1,515 views / 1 likes - added

    Hank takes you on a tour of your two-part autonomic nervous system. This episode explains how your sympathetic nervous system and parasympathetic nervous system work together as foils, balancing each other out. Their key anatomical differences - where ner

  • 14:25 Popular The Big Bang: Crash Course Big History #1

    The Big Bang: Crash Course Big History #1

    1,187 views / 4 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about, well, everything. Big History is the history of everything. We're going to start with the Big Bang, take you right through all of history (recorded and otherwise), and even talk a little

  • 14:37 Popular Exploring the Universe: Crash Course Big History #2

    Exploring the Universe: Crash Course Big History #2

    713 views / 0 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about what happened in the Universe after the big bang. They'll teach you about cosmic background radiation, how a bunch of hydrogen and helium turned into stars, formed galaxies, created heavy

  • 14:33 Popular The Sun&The Earth: Crash Course Big History #3

    The Sun&The Earth: Crash Course Big History #3

    940 views / 2 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about our Sun, and the formation of the planets. We're going to focus on the formation and development of the Earth, because that's where people live. You'll learn about the Solar nebula, the bi

  • 13:29 Popular Life Begins: Crash Course Big History #4

    Life Begins: Crash Course Big History #4

    880 views / 1 likes - added

    In which Hank and John Green teach you about life on Earth. They won't be giving advice on how life should be lived, because this is a history series. Instead, they'll teach you about the earliest forms of life on Earth, and some of the ways that they dev

  • 15:05 Popular The Evolutionary Epic: Crash Course Big History #5

    The Evolutionary Epic: Crash Course Big History #5

    997 views / 0 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array of life we have today. So how did all this happen? We'll talk a

  • 16:14 Popular Human Evolution: Crash Course Big History #6

    Human Evolution: Crash Course Big History #6

    1,003 views / 1 likes - added

    In which John Green and Hank Green teach you about how human primates moved out of Africa and turned Earth into a real-life Planet of the Apes. And the apes are people! John and Hank teach you about how humans evolved, and the sort of tricks they picked u

  • 13:41 Popular Migrations and Intensification: Crash Course Big History #7

    Migrations and Intensification: Crash Course Big History #7

    1,032 views / 0 likes - added

    In which Hank and John Green teach you about humanity conquering the Earth. Or at least moving from Africa into the rest of the Earth. As human beings spread out across the world and populations grew, humanity reached a critical mass of innovators, and co

  • 13:58 Popular The Modern Revolution: Crash Course Big History #8

    The Modern Revolution: Crash Course Big History #8

    811 views / 0 likes - added

    In which Hank and John Green teach you a Crash Course on the modern revolution, and the upside of the progress that humanity has made in the last 500 years or so. And while there are two sides to every history, and many of these changes haven't been great

  • 12:20 The Anthropocene and the Near Future: Crash Course Big History #9

    The Anthropocene and the Near Future: Crash Course Big History #9

    685 views / 1 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about the Anthropocene, an unofficial geological era that covers the last century or so, in which humanity has made massive progress. We've discovered the Higgs-Boson particle, and awesome elect

  • 13:31 Popular The Deep Future: Crash Course Big History #10

    The Deep Future: Crash Course Big History #10

    827 views / 2 likes - added

    Finally, after what seems like eons and eons, the end is nigh. We're talking not only about the end of Crash Course Big History, but also the end of everything. The end of humanity and the end of the universe.John and Hank Green will teach you about what

  • 13:43 Popular Rethinking Civilization - Crash Course World History 201

    Rethinking Civilization - Crash Course World History 201

    745 views / 0 likes - added

    In which John Green returns to teaching World History! This week, we'll be talking about the idea of civilization, some of the traditional hallmarks of so-called civilization, and why some people would choose to live outside the civilization model. It tur

  • 14:04 Popular Money&Debt: Crash Course World History 202

    Money&Debt: Crash Course World History 202

    904 views / 0 likes - added

    In which John Green teaches about filthy, filthy lucre. Money. And Debt. So, what is money? And what is it for? And why do we use money? And why does it all disappear so quickly after payday? John will look into 75% of these questions, and if he doesn't c

  • 11:37 Popular Disease! Crash Course World History 203

    Disease! Crash Course World History 203

    978 views / 2 likes - added

    In which John Green teaches you about disease, and the effects that disease has had in human history. Disease has been with man since the beginning, and it has shaped the way humans operate in a lot of ways. John will teach you about the Black Death, the

  • 10:37 Popular War&Human Nature: Crash Course World History 204

    War&Human Nature: Crash Course World History 204

    913 views / 2 likes - added

    In which John Green teaches you about war! Specifically, John talks about whether humanity is naturally warlike, hard-wired to kill, or if perhaps war is a cultural construct. John will talk about the Hobbes versus Rousseau debate, the effects that war ha

  • 12:48 Popular War and Civilization: Crash Course World History 205

    War and Civilization: Crash Course World History 205

    723 views / 3 likes - added

    In which John Green investigates war, and what exactly it may or may not be good for. Was war a result of human beings organizing into larger and more complex agricultural social orders, or did war maybe create agriculture and "civilization?" It's hard to

  • 10:08 Popular Climate Change, Chaos, and The Little Ice Age - Crash Course World History 206

    Climate Change, Chaos, and The Little Ice Age - Crash Course World History 206

    1,146 views / 2 likes - added

    In which John Green teaches you about the Little Ice Age. The Little Ice Age was a period of global cooling that occurred from the 13th to the 19th centuries. This cooling was likely caused by a number of factors, including unusual solar activity and volc

  • 07:21 Popular Humans and Energy: Crash Course World History 207

    Humans and Energy: Crash Course World History 207

    1,102 views / 1 likes - added

    In which Stan Muller subs for John Green and teaches you about energy and humanity. Today we discuss the ideas put forth by Alfred Crosby in his book, Children of the Sun. Historically, almost all of the energy that humans use has been directly or indirec

  • 10:30 Popular Drought and Famine: Crash Course World History #208

    Drought and Famine: Crash Course World History #208

    1,215 views / 0 likes - added

    In which John Green teaches you a little bit about drought, which is a natural weather phenomenon, and famine, which is almost always the result of human activity. Throughout human history, when food shortages strike humanity, there was food around. There

  • 09:10 Popular HOW World War I Started: Crash Course World History 209

    HOW World War I Started: Crash Course World History 209

    1,501 views / 6 likes - added

    In which John Green teaches you about World War I and how it got started. Crash Course doesn't usually talk much about dates, but the way that things unfolded in July and August of 1914 are kind of important to understanding the Great War. You'll learn ab

  • 10:56 Popular Who Started World War I: Crash Course World History 210

    Who Started World War I: Crash Course World History 210

    1,073 views / 3 likes - added

    In which John Green teaches you WHY World War I started. Or tries to anyway. With this kind of thing, it's kind of hard to assign blame to any one of the nations involved. Did the fault lie with Austria-Hungary? Germany? Russia? Julius Caesar? One thing w

  • 12:59 Popular The End of Civilization (In the Bronze Age): Crash Course World History 211

    The End of Civilization (In the Bronze Age): Crash Course World History 211

    862 views / 1 likes - added

    In which John Green teaches you about the Bronze Age civilization in what we today call the middle east, and how the vast, interconnected civilization that encompassed Egypt, The Levant, and Mesopotamia came to an end. What's that you say? There was no su

  • 11:54 Popular The Rise of the West and Historical Methodology: Crash Course World History #212

    The Rise of the West and Historical Methodology: Crash Course World History #212

    897 views / 2 likes - added

    In which John Green talks about the methods of writing history by looking at some of the ways that history has been written about the rise of the West. But first he has to tell you what the West is. And then he has to explain the Rise of the West. And the

  • 12:55 Popular Asian Responses to Imperialism: Crash Course World History #213

    Asian Responses to Imperialism: Crash Course World History #213

    803 views / 0 likes - added

    In which John Green teaches you about Imperialism, but not from the perspective of the colonizers. This week John looks at some Asian perspectives on Imperialism, specifically writers from countries that were colonized by European powers. We'll look at th

  • 12:31 Popular The Railroad Journey and the Industrial Revolution: Crash Course World History 214

    The Railroad Journey and the Industrial Revolution: Crash Course World History 214

    743 views / 2 likes - added

    In which John Green teaches you about railroads, and some of the ways they changed the world, and how they were a sort of microcosm for the Industrial Revolution as a whole. Prior to the invention of steam powered railroads, pretty much all locomotion had

  • 12:51 Popular Population, Sustainability, and Malthus: Crash Course World History 215

    Population, Sustainability, and Malthus: Crash Course World History 215

    1,140 views / 0 likes - added

    In which John Green teaches you about population. So, how many people can reasonably live on the Earth? Thomas Malthus got it totally wrong in the 19th century, but for some reason, he keeps coming up when we talk about population. In 1800, the human popu

  • 13:28 Popular Islam and Politics: Crash Course World History 216

    Islam and Politics: Crash Course World History 216

    1,112 views / 0 likes - added

    In which John Green teaches you about how Islam has interacted with politics during it's history, and how it continues to do so today. Islamist movements are in the news a lot lately, but how did that happen. John will point out that Islam has alway been

  • 11:44 Popular The Mughal Empire and Historical Reputation: Crash Course World History #217

    The Mughal Empire and Historical Reputation: Crash Course World History #217

    994 views / 0 likes - added

    There's a new Crash Course poster with all your favorite World History characters! Czech it: http://store.dftba.com/products/crashcourse-characters-poster In which John Green teaches you about the Mughal Empire, which ruled large swaths of the Indian Sub-

  • 15:07 Popular Luther and the Protestant Reformation: Crash Course World History #218

    Luther and the Protestant Reformation: Crash Course World History #218

    991 views / 3 likes - added

    In which John Green teaches you about the Protestant Reformation. Prior to the Protestant Reformation, pretty much everyone in Europe was a Roman Catholic. Not to get all great man, but Martin Luther changed all that. Martin Luther didn't like the corrupt

  • 13:16 Popular Charles V and the Holy Roman Empire: Crash Course World History #219

    Charles V and the Holy Roman Empire: Crash Course World History #219

    1,090 views / 2 likes - added

    Get the new Crash Course World History Character poster here: http://store.dftba.com/products/crashcourse-characters-poster In which John Green teaches you about the Holy Roman Empire by teaching you about Charles V. Charles Hapsburg was the holy Roman Em

  • 11:02 Popular World War II, A War for Resources: Crash Course World History #220

    World War II, A War for Resources: Crash Course World History #220

    1,678 views / 11 likes - added

    In which John Green teaches you about World War II, and some of the causes behind the war. In a lot of ways, WWII was about resources, and especially about food. The expansionist aggression of both Germany and Japan were in a lot of ways about resources.

  • 12:58 Popular Congo and Africa's World War: Crash Course World History 221

    Congo and Africa's World War: Crash Course World History 221

    871 views / 2 likes - added

    In which John Green teaches you about the Democratic Republic of the Congo, which used to be Zaire, which used to be The Belgian Congo, which used to be the Congo Free State, which used to be the region surrounding the Congo River Basin in central Africa.

  • 11:09 Water and Classical Civilizations: Crash Course World History 222

    Water and Classical Civilizations: Crash Course World History 222

    680 views / 0 likes - added

    In which John Green teaches you about water! So, we talk about resources a lot on Crash Course, and today is no exception. It turns out people can't live without water, which means it's absolutely necessary for civilization. Today John talks about water i

  • 12:53 Popular Conflict in Israel and Palestine: Crash Course World History 223

    Conflict in Israel and Palestine: Crash Course World History 223

    860 views / 1 likes - added

    In which John Green teaches you about conflict in Israel and Palestine. This conflict is often cast as a long-term beef going back thousands of years, and rooted in a clash between religions. Well, that's not quite true. What is true is that the conflict

  • 11:18 Popular The Vikings! - Crash Course World History 224

    The Vikings! - Crash Course World History 224

    1,304 views / 5 likes - added

    In which John Green teaches you about Vikings! That's right, one of our most requested subjects, the Vikings, right here on Crash Course. So what's the deal with Vikings? Well, the stuff you've heard about them may not be true. The Vikings weren't just pa

  • 12:14 Popular War and Nation Building in Latin America: Crash Course World History 225

    War and Nation Building in Latin America: Crash Course World History 225

    887 views / 0 likes - added

    In which John Green teaches you about nation building and nationalism in Latin America. Sometimes, the nations of Latin America get compared to the nations of Europe, and are found wanting. This is kind of a silly comparison. The rise of democratic, econo

  • 13:41 Popular Iran's Revolutions: Crash Course World History 226

    Iran's Revolutions: Crash Course World History 226

    753 views / 0 likes - added

    In which John Green teaches you about Iran's Revolutions. Yes, revolutions plural. What was the1979 Iranian Revolution about? It turns out, Iran has a pretty long history of unrest in order to put power in the hands of the people, and the most recent revo

  • 13:33 Popular Japan in the Heian Period and Cultural History: Crash Course World History 227

    Japan in the Heian Period and Cultural History: Crash Course World History 227

    1,310 views / 7 likes - added

    In which John Green teaches you about what westerners call the middle ages and the lives of the aristocracy...in Japan. The Heian period in Japan lasted from 794CE to 1185CE, and it was an interesting time in Japan. Rather than being known for a thriving

  • 10:54 Popular Intro to Psychology - Crash Course Psychology #1

    Intro to Psychology - Crash Course Psychology #1

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  • 10:51 Popular Psychological Research - Crash Course Psychology #2

    Psychological Research - Crash Course Psychology #2

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  • 10:14 Popular The Chemical Mind - Crash Course Psychology #3

    The Chemical Mind - Crash Course Psychology #3

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  • 12:34 Popular Meet Your Master: Getting to Know Your Brain - Crash Course Psychology #4

    Meet Your Master: Getting to Know Your Brain - Crash Course Psychology #4

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  • 10:46 Popular Sensation&Perception - Crash Course Psychology #5

    Sensation&Perception - Crash Course Psychology #5

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  • 10:24 Popular Homunculus - Crash Course Psychology #6

    Homunculus - Crash Course Psychology #6

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  • 10:00 Perceiving is Believing - Crash Course Psychology #7

    Perceiving is Believing - Crash Course Psychology #7

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  • 09:34 Popular Consciousness - Crash Course Psychology #8

    Consciousness - Crash Course Psychology #8

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  • 10:41 Popular To Sleep, Perchance to Dream - Crash Course Psychology #9

    To Sleep, Perchance to Dream - Crash Course Psychology #9

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  • 11:19 Altered States - Crash Course Psychology #10

    Altered States - Crash Course Psychology #10

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  • 11:50 Popular How to Train a Brain - Crash Course Psychology #11

    How to Train a Brain - Crash Course Psychology #11

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  • 09:35 Popular The Bobo Beatdown - Crash Course Psychology #12

    The Bobo Beatdown - Crash Course Psychology #12

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  • 09:55 Popular How We Make Memories - Crash Course Psychology #13

    How We Make Memories - Crash Course Psychology #13

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  • 10:18 Popular Remembering and Forgetting - Crash Course Psychology #14

    Remembering and Forgetting - Crash Course Psychology #14

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  • 10:42 Popular Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology #15

    Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology #15

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  • 10:02 Popular Language: Crash Course Psychology #16

    Language: Crash Course Psychology #16

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  • 11:20 Popular The Power of Motivation: Crash Course Psychology #17

    The Power of Motivation: Crash Course Psychology #17

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  • 09:50 Popular The Growth of Knowledge: Crash Course Psychology #18

    The Growth of Knowledge: Crash Course Psychology #18

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  • 11:38 Popular Monkeys and Morality: Crash Course Psychology #19

    Monkeys and Morality: Crash Course Psychology #19

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  • 10:15 Popular Adolescence: Crash Course Psychology #20

    Adolescence: Crash Course Psychology #20

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  • 12:24 Popular Rorschach&Freudians: Crash Course Psychology #21

    Rorschach&Freudians: Crash Course Psychology #21

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  • 11:08 Popular Measuring Personality: Crash Course Psychology #22

    Measuring Personality: Crash Course Psychology #22

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  • 12:39 Popular Controversy of Intelligence: Crash Course Psychology #23

    Controversy of Intelligence: Crash Course Psychology #23

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  • 11:04 Popular Brains Vs. Bias: Crash Course Psychology #24

    Brains Vs. Bias: Crash Course Psychology #24

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  • 10:51 Popular Feeling All the Feels: Crash Course Psychology #25

    Feeling All the Feels: Crash Course Psychology #25

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    Emotion, Stress and Health: Crash Course Psychology #26

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  • 10:10 Popular Psychological Disorders: Crash Course Psychology #28

    Psychological Disorders: Crash Course Psychology #28

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  • 11:32 Popular OCD&Anxiety Disorders: Crash Course Psychology #29

    OCD&Anxiety Disorders: Crash Course Psychology #29

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  • 10:00 Depressive and Bipolar Disorders: Crash Course Psychology #30

    Depressive and Bipolar Disorders: Crash Course Psychology #30

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  • 10:51 Trauma&Addiction: Crash Course Psychology #31

    Trauma&Addiction: Crash Course Psychology #31

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