Search Results: "Efficiency"

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14:04
Efficiency of a Carnot Engine

652 views / 0 likes - added 9 years ago

Definition of efficiency for a heat engine. Efficiency of a Carnot Engine. More free lessons at: http://www.khanacademy.org/video?v=M_5KYncYNyc
02:30
Smartphones: A New Model for Energy Efficiency?

371 views / 0 likes - added 4 years ago

Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/The way smartphones made many devices nonessential is a model for a new way to think about improving energy efficiency.Thanks also to our Patreon patrons https://w
06:22
The Unreasonable Efficiency of Black Holes

491 views / 0 likes - added 6 years ago

Thanks to https://brilliant.org/minutephysics for sponsoring this video! Check out their black hole course at http://brilliant.org/minutephysicsblackhole Support MinutePhysics on Patreon! http://www.patreon.com/minutephysics Link to Patreon Supporters: ht
15:52
Recycling plastics Resource efficiency with an optimized sorting method

169 views / 0 likes - added 1 year ago

In Germany alone, two and a half million tons of plastic packaging land in the yellow trash can. German households pre-sort their garbage into four separate trash cans; yellow for plastics, brown for compost; blue for paper and black for non-recyclables.
11:01 Popular
Markets, Efficiency, And Price Signals: Crash Course Economics #19

947 views / 0 likes - added 8 years ago

Adriene and Jacob teach you all about markets. So, in free market(ish) economies like the United States and most of the world, markets are a big deal. Markets work to produce the stuff that consumers want, and that society needs. Today we'll talk about pr
02:10
Turning up plant efficiency

615 views / 0 likes - added 7 years ago

A small change to recovery mechanism means big change in crop output. Genetically modified tobacco plants turn on photosynthesis faster when shade follows dangerous sunlight. Learn more: http://bit.ly/2g28Knv Read the research: http://bit.ly/2gkxJVr
14:10
Allocative Efficiency and Marginal Benefit

567 views / 0 likes - added 9 years ago

Marginal Utility and maximization More free lessons at: http://www.khanacademy.org/video?v=MT4akJsAmb0
14:01
Carnot Efficiency 2: Reversing the Cycle

490 views / 0 likes - added 9 years ago

Seeing how we can scale and or reverse a Carnot Engine (to make a refrigerator) More free lessons at: http://www.khanacademy.org/video?v=pQWwP7YYH6o
12:17
Carnot Efficiency 3: Proving that it is the most efficient

485 views / 0 likes - added 9 years ago

Proving that a Carnot Engine is the most efficient engine More free lessons at: http://www.khanacademy.org/video?v=LUoUb4hGMH8
04:36 Popular
Can We Power Everything With Solar Panels?

749 views / 0 likes - added 8 years ago

Solar panels are the future of energy efficiency, but it’s their price tag that has people second guessing. Have scientists found a way to make them cheaper? How Africa Is Hacking It’s Energy Crisis ►►►► https://youtu.be/PASI7_MlPZg To Learn More About En
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03:28 Popular
Wireless Power Transfer

927 views / 0 likes - added 7 years ago

Wireless power delivery has the potential to seamlessly power our electrical devices as easily as data is transmitted through the air. However, existing solutions are limited to near contact distances and do not provide the geometric freedom to enable aut
08:21 Popular
How does a Refrigerator work ?

1,104 views / 1 likes - added 6 years ago

Have you ever wondered how the refrigerators in your home work? Refrigerators, which have become an integral part of every household, work based on some simple and interesting scientific principles. Beginning with a basic refrigerator model, this video wi
04:14
Carbon Nanotubes Might Be the Secret Boost Solar Energy Has Been Looking For

456 views / 0 likes - added 4 years ago

One of the greatest challenges facing solar technology is wasted heat, but carbon nanotubes might be the high efficiency boost that solar cells need to succeed. Subscribe to Seeker!http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsP
Birds gliding through bubbles reveal aerodynamic trick

157 views / 0 likes - added 2 years ago

An owl bursting through a cloud of bubbles is helping researchers better understand the aerodynamics of flight. Researchers in London have discovered a new way in which birds use their tail to provide lift and so reduce drag while gliding. They tracked th
05:29 Popular
How do Wind Turbines work ?

733 views / 1 likes - added 4 years ago

Help us to make future videos for you. Make LE's efforts sustainable. Please support us at Patreon.com ! https://www.patreon.com/LearnEngineering Working of a wind turbine is illustrated in this video with the help of animation. The topic covered are blad
03:02 Popular
Car Headlights | How It's Made

804 views / 0 likes - added 8 years ago

Car headlights are created separately from the car, with durable plastic and reflective aluminum for maximum efficiency. Manufacturers can alter certain features, but ease of changing the bulbs stay the same. | http://www.sciencechannel.com/tv-shows/how-i
04:20
Is Your House Causing Global Warming?

683 views / 0 likes - added 7 years ago

Energy efficiency at home is crucial to protecting the environment. Where exactly do our houses waste the most, and how can we fix it? The Difference Between Global Warming and Climate Change - http://bit.ly/1Od6jXZ Sign Up For The TestTube Newsletter Her
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04:32 Popular
Cars: engine power and transmission - 3D animation

783 views / 0 likes - added 7 years ago

The physical principles behind car gears. Visit my homepage, http://www.zutopedia.com/udia.html, or read about my latest book http://www.zutopedia.com This video offers an unusual perspective to the relation between engine power, RPM and acceleration. Som
12:31
Recycling concrete

302 views / 0 likes - added 3 years ago

The construction industry needs large quantities of gravel and crushed rock for concrete manufacturing. So far, recycled concrete has mostly been utilized as filling material or in substructures, but only hesitantly for structural engineering. The film sh
04:14 Popular
Why Scientists Are Creating Fire Tornadoes!

1,155 views / 5 likes - added 7 years ago

Scientists recently created a 3 inch fire tornado. What are the chemical components of fire and what can it be used for? How Do Car Companies Cheat Emissions Tests? - http://bit.ly/2bHLEUs Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Rea
04:26
How Crystals Can Turn Any Surface Into a Solar Panel

265 views / 0 likes - added 3 years ago

Scientists are on the hunt for a more efficient solar panel cell. Perovskites show a lot of promise, but face a few obstacles before they become commercially viable. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/Ele
04:00 Popular
Can Nanotechnology Turn Windows Into Solar Panels?

768 views / 0 likes - added 7 years ago

Solar energy technology is becoming more efficient and more effective while also becoming invisible to the naked eye - here's how. Which Power Source Is More Efficient? - http://bit.ly/28LCSkh Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI
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06:04
Can the economy grow forever?

128 views / 0 likes - added 1 year ago

Is infinite economic growth possible on a planet with finite resources? Explore how countries can balance efficiency with sustainability.--Many economists think that an eternally growing economy is necessary to keep improving peoples lives, and that if th
03:36
Why Don't We Just Put Solar Panels In Space?

617 views / 0 likes - added 6 years ago

If we can capture energy from the sun, why don't we just put solar panels in space? Watch More: Check out Trace's channel! ►►►► https://www.youtube.com/watch?v=qB3LNwCYVAw Support Life Noggin on Patreon: https://www.patreon.com/LifeNogginStudios Official
08:07
Restaurant of the Future 2022 | Food Robots On The Rise

300 views / 0 likes - added 1 year ago

Restaurant of the Future in 2022, let's take a look at the best projects automating the restaurants of the future in 2022. The Robot Restaurant Revolution is on the rise. Due to a number of factors such as labour shortages, rising costs and a need for ext
04:34
Why Your Perception Of Time Can Change

526 views / 0 likes - added 8 years ago

People often say that time flies when you’re having fun, but does it really? What’s the science behind our perception of time? We’re sad to say this is Julia’s last episode. Thanks for helping make DNews awesome for the last year! Julia’s Twitter (@Julia_
04:11
Why Don't We Have Water Powered Cars Yet?

597 views / 2 likes - added 4 years ago

Today we're dipping our toes into the engineering and physics behind water-powered cars! Why Don't We Launch Our Trash Into The Sun? https://www.youtube.com/watch?v=qWh7goEjkcI&list=PL8L0MzSk_V6JtEDRfRMyb6rFd1acqYSlO&index=61 Latest Uploads: https://youtu
10:15 Popular
Price Controls, Subsidies, And The Risks Of Good Intentions: Crash Course Economics #20

801 views / 0 likes - added 8 years ago

So, during times of inflation or deflation, why doesn't the government just set prices? It sounds reasonable, but price ceilings or floors just don't work. Adriene and Jacob explain why. Subsidies, however, are a little different, and sometimes they even
06:08
The Astounding Physics of N95 Masks

382 views / 0 likes - added 3 years ago

Head to https://brilliant.org/MinutePhysics to sign up for free and get 20% off a Premium subscription to Brilliant!This video was written in collaboration with Aatish Bhatia - https://aatishb.com To learn more about using & decontaminating N95 masks: htt
05:16
How A Sticker Kept 3 Billion Tons of CO2 Out of The Air

370 views / 0 likes - added 5 years ago

Like this video? SUBSCRIBE to Hot Mess! ►► http://bit.ly/hotmess_sub Peril & Promise is a public media initiative from WNET telling human stories of climate change and its solutions. Learn more at: http://www.pbs.org/wnet/peril-and-promise/ Energy efficie
01:34 Popular
TIL: A Venomous Animal May Save Your Life

1,008 views / 2 likes - added 7 years ago

It might surprise you that some of the world’s deadliest animals save millions of human lives—one day they might even save yours. In this week’s Today I Learned, National Geographic Emerging Explorer Zoltan Takacs reveals how venomous creatures could be t
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07:32
Whats Going On With Facial Recognition? | Untangled

445 views / 0 likes - added 4 years ago

The accuracy rate of facial recognition depends on the data its fed. With enough good data, the accuracy rate could be almost perfect.Facial recognition is already being implemented in US airports for security and efficiency. But there are concerns that t
02:29 Popular
This Video Has Consumed 113249.2 mL of Gasoline!

771 views / 1 likes - added 8 years ago

Thanks to http://www.audible.com/minuteearth for sponsoring this video. The title of this video is changing every 10 seconds to reflect an estimate of the actual energy used just by people (like you!) watching it. Thanks to Jasper Palfree for doing the co
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10:47
16 AWESOME JEANS HACKS THAT ARE SO CLEVER

654 views / 2 likes - added 4 years ago

IDEAS ON UPCYCLING JEANSUpcycling, recycling, reusing, and repurposing are going to save this world. Don't you agree that we all consume too much these days and it's high time to stop, look around and give a second life to the things you don't need anymor
43:36
Pastry Chef Attempts to Make Gourmet Hot Pockets | Bon Apptit

423 views / 0 likes - added 4 years ago

Join Claire Saffitz in the Bon Appétit Test Kitchen as she attempts to make a gourmet version of Hot Pockets! Everybody remembers where they were on that day in 1983 when Hot Pockets first appeared. It was a giant leap into the future. A miracle so
12:49
24 CLEVER LIFE HACKS YOU NEED TO KNOW

546 views / 1 likes - added 4 years ago

COOL IDEAS FOR EVERYDAY LIFEWe all want to make our lives easier. Today, we prepared for you a huge collection of smart ideas, witty quick fixes and life hacks that will help you to live your life with maximum efficiency and save a lot of time. Watch this
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How To Peel And Cut Fruits And Vegetables

196 views / 0 likes - added 7 months ago

Learn the art of peeling fruits and vegetables with precision and efficiency. Discover the best methods to remove the skin from tomatoes, cucumbers, and other delicate produce without wasting any of the juicy goodness. Say goodbye to frustrating peeling m
07:41 Popular
How Close Are We to Fusion Energy?

1,464 views / 0 likes - added 5 years ago

Fusion energy might be the safe, efficient, reliable and clean energy source that could save our planet. But, how close are we to a world where fusion energy is powering our homes? How Close Are We? Season 1 - https://www.youtube.com/watch?v=8GDx7uM9Vdw&l
08:17
How do Airplanes fly?

437 views / 1 likes - added 4 years ago

Create a free SimScale account to test the cloud-based simulation platform here: https://www.simscale.com/To perform complex CFD analyses using your normal laptop or PC, just create a free community account at SimScale.com and explore.This video was kindl
03:38 Popular
What Makes Airplanes Light Enough To Fly?

729 views / 1 likes - added 7 years ago

The materials used for aircraft engineering have changed considerably since the advent of flight. How do engineers choose what airplanes are made of? How Close Are We To Star Trek's Warp Drive? - http://bit.ly/1WqxVRz Sign Up For The Seeker Newsletter Her
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11:05
Reversibility & Irreversibility: Crash Course Engineering #8

299 views / 0 likes - added 4 years ago

How do we design the most efficient machines and processes? Today well try to figure that out as we discuss heat & work, reversibility & irreversibility, and how to use efficiency to measure a system. Crash Course Engineering is produced in association wi
04:13 Popular
Do Insects Sleep?

898 views / 2 likes - added 7 years ago

Sleep is a necessary part of survival for most animals, but what about for bugs? Do insects sleep? How Do Fish Sleep?- http://bit.ly/2cF1LRD Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: Do Bugs Sleep? Why They're Surprisingly
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04:14
These Metamaterials Go Beyond the Properties of Nature

317 views / 0 likes - added 5 years ago

These nanostructures have been engineered to interact with radiation in unnatural ways. Here’s how they’re making microscopic optical lenses, chip-sized synchrotrons, and so much more. These Liquid-Repelling Materials Defy Nature’s Design, Here’s How - ht
07:11
Why Masks Work BETTER Than You'd Think

268 views / 0 likes - added 3 years ago

Thanks to the Heising-Simons foundation for their support: https://www.hsfoundation.org (their COVID-19 grants: https://www.hsfoundation.org/grants/covid-19-response-grants/ )Check out https://aatishb.com/maskmath to explore and for references.This video
03:17
The Crazy Way Scientists Launch Rockets From Balloons

530 views / 0 likes - added 7 years ago

Large chemical rockets are needed to launch payloads into space from the ground, but could rockoons, rocket balloons, be a more efficient alternative? Pluto Could Be Made A Planet Again, Along With 102 Other Celestial Bodies - https://youtu.be/76hv6KOB-AI
03:36 Popular
What’s The Difference Between Jet Fuel And Car Fuel?

762 views / 2 likes - added 8 years ago

Jet fuel and car fuel both come from crude oil, but you definitely can’t put jet fuel in your car to make it go faster. Why not? Why Food Tastes Worse on Planes ►►►► http://bit.ly/1LEu75C Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG
13:11
Making A Billion-Year Lego Clock

231 views / 0 likes - added 11 months ago

Building a mechanical Lego clock that keeps time for 10000000 years. The clock has dials to display seconds, minutes, hours, days, weeks, months, years, decades, centuries, millenia, mega-annums and galactical years (time required for the Sun to orbit onc
11:30
Why This Stuff Costs $2700 Trillion Per Gram

356 views / 0 likes - added 4 years ago

Physics Girl is on Patreon! https://www.patreon.com/physicsgirl Theres a factory in Europe that makes antimatter! Its the rarest, most expensive, and potentially the most dangerous material on earth. Scientists dont know why this material is so rare. Anti
04:32
Fusion Energy Could Be a Reality in Less Than 5 Years

242 views / 0 likes - added 3 years ago

SPARC is aiming to be the first experimental device to achieve an energy-positive fusion reaction. New research suggests that this goal may soon be within reach. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/Element
04:34
Why It's So Hard For The Government To Hack Your Phone

567 views / 1 likes - added 8 years ago

The FBI is currently in a battle with Apple to allow encrypted phones be unlocked, but how does encryption even work? How Powerful Is Apple? ►►►► http://bit.ly/1OBOqRk Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG How Secure Are Fing
06:05 Popular
This is what happens when you hit the gas - Shannon Odell

3,229 views / 0 likes - added 8 months ago

Explore the differences between how a cars internal combustion engine and an electric vehicles induction motor use fuel.--In 2015, two men drove a Volkswagen across the US on just over 100 gallons of fuel. Their 81-mile-per-gallon performance doubled the
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03:17
Why Bathroom Sensors Suck

487 views / 0 likes - added 5 years ago

Despite being introduced for hygiene and ease, automatic toilets can be extremely frustrating, either flushing too soon or not at all. We found out why bathroom sensors malfunction so often and a few simple fixes for the issues. Tech Insider tells you all
02:11 Popular
Why Most Rain Never Reaches The Ground

753 views / 1 likes - added 6 years ago

Less than half of the rain that falls from a cloud makes it all the way to the ground – because a lot evaporates while falling or after landing in treetops. Thanks to Georgia Southern University for sponsoring this video. Thanks also to our supporters on
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04:44
NASAs Next Lunar Rover Could Transform How We Study the Moon

302 views / 1 likes - added 3 years ago

NASAs Artemis program has teamed up with Japan's Aerospace Exploration Agency to create the next generation lunar vehicle one that is being described as an 'RV for the moon.' Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://b
04:18
Decoded: How much do you really know about viruses?

633 views / 0 likes - added 2 years ago

These sometimes deadly packets of genetic information are more numerous in number than the stars in the cosmos. Viruses are tiny infectious agents that dominate much of the microscopic world.Theyre incredibly abundant. There are more viruses in a single d
04:28
'Magic' Angle Graphene Is BACK...with an Even Bigger Twist

315 views / 0 likes - added 4 years ago

Scientists have unveiled a whole new world of physics that could lead to the superconductors we've been waiting for. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist Visit our shop at http://shop.seeke
02:30
Why We Sucked At Counting Fish (Until Now)

601 views / 0 likes - added 7 years ago

Thanks to http://www.audible.com/minuteearth for sponsoring this video. A new fish counting method has revealed there are ten times more fish in the sea than we previously thought.* *But unfortunately, this doesn't mean we're not overfishing. If you liked
01:35
DemDebate Secret Video: What The U.S. Promised In Paris

620 views / 1 likes - added 8 years ago

NBC & YouTube actually asked us to make TWO videos for the Democratic Presidential Debate on January 17th, 2016. Here’s the video that DIDN’T get shown at the debate. Our video that was shown: https://youtu.be/vbE5PSu-p0s Watch the whole debate: https://w
08:37
GIANT Pencil Made From CORN!?

312 views / 0 likes - added 3 years ago

Science Matters: www.4-H.org/Bayer Big shout out to Bayer 4H Council for partnering with us on this video! Note: The vast majority of corn is for feed or fuel, not food for people https://www.huffpost.com/entry/sweet-corn-vs-field-corn_n_596f6718e4b0a03ab
03:48
What Is The Best Shape For A Farm?

92 views / 0 likes - added 6 months ago

This video was made in partnership with Gates Ventures.The shape of a farm can tell you a surprising amount about the land it's on and the people that use it.LEARN MORE**************To learn more about this topic, start your googling with these keywords:
02:16
Why Our Favorite Crops Live Fast and Die Young

521 views / 0 likes - added 6 years ago

To start using Tab for a Cause, go to: http://tabforacause.org/r/minuteearth2 We mostly grow annual plants because they reliably produce energy-rich seeds, which we like to eat. Thanks to our Patreon patrons https://www.patreon.com/MinuteEarth and our You
11:35
Primitive Technology: Iron knife made from bacteria

172 views / 0 likes - added 1 year ago

Iron knife made from bacteria Subscribe: http://bit.ly/subPT | Never miss a video! Enable ‘ALL’ Notifications! Watch my newsest content: https://youtube.com/playlist?list=PLGnWLXjIDnpBR4xqf3FO-xFFwE-ucq4Fj&playnext=1&index=2 Follow Pri
12:45
The Internet Is Running Out of Water

336 views / 0 likes - added 2 years ago

Data centers are running out of water to cool their servers with. And they keep asking for more. Support me through Patreon: https://www.patreon.com/thehatedone - or donate anonymously: Monero: 84DYxU8rPzQ88SxQqBF6VBNfPU9c5sjDXfTC1wXkgzWJfVMQ9zjAULL6rd11A
02:41 Popular
Why Biodiversity Is Good For The Economy

966 views / 0 likes - added 7 years ago

Research suggests that more diverse ecosystems are better for the bottom line. Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/ Credits (and Twitter handles): Script Writer: Peter Reich Script Editor: Kate Yoshi

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