Search Results: "Cathode"

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03:13
Cathode Rays Lead to Thomson's Model of the Atom

666 views / 0 likes - added 3 years ago

In the mid 1800's scientists successfully passed an electric current through a vacuum in a glass tube. They saw a glow from the tube that seemed to emanate from the negatively charged plate called the cathode. Since scientists didn't know what the glow wa
10:33
TELEVISION: HOW IT WORKS 1952 CORONET INSTRUCTIONAL FILM CATHODE RAY TUBE ORTHICON XD39134

230 views / 0 likes - added 2 years ago

Want to support this channel and help us preserve old films? Visit https://www.patreon.com/PeriscopeFilm Visit our website www.PeriscopeFilm.com This black-and-white educational film from 1952, “Television: How it Works” was created with educa
03:48
How Voltage Fade Prevents Us From Creating the Perfect Battery

401 views / 0 likes - added 5 years ago

Scientist may have just figured out how to reverse the voltage fade in lithium-ion batteries, here’s how How Supercapacitors Could Make Batteries a Thing of the Past - https://youtu.be/GeSvErqdmIM Read More: What’s Causing the Voltage Fade in Lithium-rich
04:49
Why Haven’t Hydrogen Vehicles Taken Over the World Yet?

468 views / 0 likes - added 5 years ago

Hydrogen fuel cells are promoted as efficient and carbon free, but what happened to hydrogen cars? Why a Half Degree Rise in Global Temperature Would Be Catastrophic - https://youtu.be/teZk3NLU_7M Read More: Gas guzzlers reborn: Why your next car could ru
04:12
Why Old Screens Make A ᴴᶦᵍʰ ᴾᶦᵗᶜʰᵉᵈ Noise

529 views / 0 likes - added 6 years ago

Last week I made a video surrounded by old-school CRT monitors and televisions - cathode ray tubes. And I completely forgot to remove the high pitched whine they produce. Here's why: why they make that noise, and why I didn't notice it. Thanks again to th
04:49
This Fluoride Battery Could Mean Phone Batteries That Last a Week

426 views / 0 likes - added 5 years ago

Scientists have been working on this alternative battery design since the 1970s, and now they’ve made a breakthrough. Is this the end of the lithium-ion battery? Batteries! - https://www.youtube.com/watch?v=YAg_8iCLIIw&list=PL6uC-XGZC7X5nglarE119ScPQ_MEyJ
32:47
Build an 8-bit decimal display for our 8-bit computer

597 views / 1 likes - added 7 years ago

In this video, we'll use an EEPROM (28C16) to create a decimal display for an 8-bit value. The display uses multiplexing to drive four digits using a single EEPROM. As a bonus it supports both unsigned and signed (twos complement) display modes. Support m
11:32
Screens & 2D Graphics: Crash Course Computer Science #23

580 views / 0 likes - added 6 years ago

Today we begin our discussion of computer graphics. So we ended last episode with the proliferation of command line (or text) interfaces, which sometimes used screens, but typically electronic typewriters or teletypes onto paper. But by the early 1960s a
02:32
Old CRT TVs as instruments "Ei WADA"

508 views / 0 likes - added 6 years ago

In this video Ei WADA uses different old CRT (Cathode Ray Tube) TV sets to play music in Korea. 茨城県北芸術祭#KENPOKU エレクトロニコス・ファンタスティコス！ in 日立役割を終えた古い家電を新たな電子楽器として蘇生させ、合奏する和田永のプロジェクト「エレクトロニコス・ファンタスティコス！」。常陸多賀駅前の商店街には、そのプロジェクトの基地となる、「NICOS LAB in 日立」があります。地元
12:45 Popular
Matter Makes Up Everything, So What Makes Up Matter? (Part 1 of 3)

1,003 views / 0 likes - added 6 years ago

Practically everything around us is matter, but how did the first scientists figure that out? How did we define matter? Tune in next Thursday for Part 2! Read More: Discovery of the Electron http://www.pbs.org/transistor/science/events/electron.html “Scie
04:31
Curing Cancer with Proton Beams – with Suzie Sheehy

522 views / 0 likes - added 7 years ago

Particle accelerators do more than just particle physics research. Suzie Sheehy takes a look at the history and promise of proton therapy: using particle accelerators to fight cancer. Subscribe for science videos and lectures every week: http://bit.ly/RiS
10:27
Why It's So Hard To Make Better Batteries: Crash Course Engineering #32

340 views / 0 likes - added 4 years ago

There are batteries powering so many parts of our everyday lives, so today were going to talk about how they work and how we can make them better. Well explain how they provide power by discharging ions between a cathode and an anode, and how reversing th
03:53 Popular
Are Solid State Batteries The Perfect Battery?

1,376 views / 1 likes - added 8 years ago

Many batteries we use today don’t hold up to minor damage or weather change but scientist believe they may have solved this problem. Why Aren’t All Batteries Rechargeable? ►►►► http://bit.ly/1TgP51P Sign Up For The TestTube Newsletter Here ►►►► http://bit
04:44
Does TV Resolution Matter?

589 views / 0 likes - added 8 years ago

You’ve heard all the hype about high-definition TV, ultra-high definition and more. But does this mad race to jame more pixels on a screen actually matter? Tune in to learn more about the human eye and digital resolution. VIEW CARLTON BALE'S TV RESOLUTION
04:50
The Hidden Environmental Costs of Electric Cars

231 views / 0 likes - added 3 years ago

As green technologies become more common, scientists are trying to 'green' the lithium-ion batteries that power them. One question being: can we innovate ways to reuse and recycle these complicated batteries? Subscribe to Seeker! http://bit.ly/subscribese

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