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27:19Electric car chargers aren't chargers at all – EVSE Explained
2.2M views • 6 years ago
Technology Connections
Technology Connections explains that the so-called EV charger in an electric car's charging cable or wall unit is really an EVSE, a smart switch that safely delivers AC power. The actual charger is inside the car. The video covers the safety signaling and mechanisms involved.
22:522016/2017 MUST-KNOW WEB DEVELOPMENT TECH - Watch this if you want to be a web developer
916K views • 10 years ago
LearnCode.academy
LearnCode.academy presents a roadmap of web development technologies to learn in 2016 and 2017, spanning front-end, back-end and DevOps tools.
21:10How to Slow Aging (and even reverse it)
7.4M views • 6 years ago
Veritasium
Veritasium presents David Sinclair's information theory of aging, which says aging is a loss of epigenetic information, and the evidence that aging can be slowed or reversed. It touches on stressors like fasting, exercise and cold exposure.
29:49EEVblog #1132 - The 3 Cent Microcontroller!
257K views • 8 years ago
EEVblog
Dave Jones of EEVblog looks at a sub-3-cent microcontroller from Padauk and other obscure Chinese manufacturers. He shows how to find such parts and where to buy them in stock.
29:48MOLTEN GLASS VS Prince Rupert's Drop - Smarter Every Day 285
5.8M views • 3 years ago
SmarterEveryDay
Destin Sandlin of Smarter Every Day explores molten glass and Prince Rupert's drops with a glass artist, including a process that freezes the moment glass shatters and an artisan who makes the drops.
42:02How to Surface a Submarine in the Arctic Ocean - Smarter Every Day 260
6.4M views • 5 years ago
SmarterEveryDay
Destin Sandlin of Smarter Every Day explains how a US Navy nuclear submarine surfaces through Arctic ice, filmed during the ICEx exercise. It shows ballast and control systems and the physics involved.
32:01EEVblog #632 - Solar Roadways Are RUBBISH!
543K views • 12 years ago
EEVblog
Dave Jones of EEVblog debunks the Solar Roadways project, which raised millions through Indiegogo and government funding. He works through the solar generation and LED power calculations to show the idea isn't viable.
24:32How We Solved the Worst Minigame in Zelda's History
1.1M views • 6 years ago
Linkus7
Linkus7 explains how a community reverse-engineered The Wind Waker to predict its random number generator and beat the Sploosh Kaboom battleship minigame consistently. It includes d3 animations by Peter Schmidt-Nielsen.
Topic match · Speedrunning, glitches & game hacking
27:36Why Western Designs Fail in Developing Countries
1.8M views • 2 years ago
Design Theory
A design essay on why products designed in Western contexts often fail when deployed in developing countries. It covers expert blindness and cultural assumptions, with examples such as malaria nets and the One Laptop Per Child project.
29:57The tech which can charge an electric car in 10 minutes
1.3M views • 4 years ago
Technology Connections
Technology Connections explains how modern EV fast charging can fill a battery in about 10 to 20 minutes, covering charging standards and EV road trips.
Topic match · Cars, EVs & motorcycles
21:25Outside In
11.7M views • 15 years ago
ssgelm
A 21-minute animation showing how a sphere can be turned inside out without creases or tears, known as sphere eversion.
Topic match · Recreational & visual math
29:34How Do Nuclear Submarines Make Oxygen?- Smarter Every Day 251
10.4M views • 5 years ago
SmarterEveryDay
A Smarter Every Day episode from aboard a nuclear submarine on how the crew makes breathable air. It covers oxygen generation from seawater, oxygen candles and CO2 scrubbing with amine.
30:26Vitamin D and Immunity, Lots of Evidence
711K views • 6 years ago
Dr. John Campbell
Dr. John Campbell reviews studies on vitamin D deficiency and immunity, including links to influenza and COVID-19, with Public Health England advice. He walks through the sources he cites.
32:57Are Seed Oils Inflammatory?! (The *Evidence* No One Shows)
480K views • 4 years ago
Nutrition Made Simple!
A nutrition-science explainer reviewing the human evidence on whether seed oils cause inflammation. It looks at nine different seed oils, heated oils, and genetic variability, and compares omega-6 intake with saturated fat.
21:05Who is Manipulating Facebook? - Smarter Every Day 215
1M views • 7 years ago
SmarterEveryDay
Destin Sandlin of Smarter Every Day investigates manipulation on Facebook, interviewing the company's team about content moderation. It is the third video in his series on social media manipulation.
21:12The Infinite Pattern That Never Repeats
21.9M views • 6 years ago
Veritasium
Veritasium explains how Penrose tilings and quasicrystals overturned the belief that 5-fold symmetry and non-periodic crystals were impossible, including an interview with Paul Steinhardt.
25:59The Truth About Electric Towing
529K views • 1 year ago
Aging Wheels
Aging Wheels tests how towing trailers affects the range of electric trucks, including a Silverado EV. It shows that trailer aerodynamics matters far more than added weight.
Topic match · Cars, EVs & motorcycles
26:13The Smartphone CPU Review You NEED to Watch!
345K views • 4 years ago
Geekerwan
Geekerwan reviews smartphone CPUs by power efficiency rather than benchmark scores, with test methodology and chapters on Qualcomm, Apple, Samsung and Google chips. It explains why high benchmark scores can coexist with heat and poor battery life.
23:51Why is this number everywhere?
12.1M views • 2 years ago
Veritasium
Veritasium explores why the number 37 turns up so often, drawing on Tom Magliery's collection of 37 sightings and a poll of about 200,000 people asked to pick a random number. It covers how humans choose numbers and why 37 stands out.
38:26Racing the Beam Explained - Atari 2600 CPU vs. CRT Television
400K views • 5 years ago
Retro Game Mechanics Explained
Retro Game Mechanics Explained shows how the Atari 2600 draws images with almost no video memory, by having the CPU race the CRT beam line by line. It walks through the techniques in detail.
22:52A simple water heater is more clever than it seems
2.6M views • 3 years ago
Technology Connections
Technology Connections explains how an ordinary tank water heater works, including twin-element designs, and why it is cleverer than it looks.
21:48Lessons from a Can Opener
3M views • 4 years ago
Technology Connections
Technology Connections spends 22 minutes on the humble can opener and what its design shows about products and why people don't know what to look for. It uses an everyday tool to draw broader lessons.
Topic match · Product & industrial design
22:36Computer Scientist Explains One Concept in 5 Levels of Difficulty | WIRED
7.2M views • 4 years ago
WIRED
WIRED has UCLA professor Amit Sahai explain zero-knowledge proofs to a child, a teen, a college student, a grad student and an expert. Each round goes deeper into the cryptography and why it matters.
55:46How Much Do Rockets Pollute? Are They Bad For Our Air?
1.3M views • 6 years ago
Everyday Astronaut
Everyday Astronaut's Tim Dodd runs an hour-long, data-driven analysis of what rockets actually emit and how that compares with airliners and other industries. It breaks down exhaust by propellant type, per-passenger and total emissions, and ways launches could be cleaner.
Topic match · Climate science & climate change
24:26The Beauty of Bézier Curves
2.2M views • 5 years ago
Freya Holmér
Freya Holmer explains how Bezier curves work, from the helper-line construction to their uses in animation, text rendering and shapes. It uses visuals from her Unity Shapes plugin and was a SoME1 contest winner.
Topic match · Recreational & visual math
28:23The Fast Fourier Transform (FFT): Most Ingenious Algorithm Ever?
2.3M views • 5 years ago
Reducible
Reducible's visual walkthrough of the Fast Fourier Transform, motivated by polynomial multiplication. It shows how the FFT's key ideas can be discovered by asking the right questions.
27:19Once you understand game theory, you understand the world.
26.5M views • 2 years ago
Veritasium
Veritasium explores the Prisoner's Dilemma and Axelrod's tournaments, showing why tit-for-tat and forgiving strategies win in repeated games. It extends the ideas to cooperation in evolution and conflict.
Topic match · Evolution & genetics
20:13The Most Powerful Computers You've Never Heard Of
13.7M views • 4 years ago
Veritasium
Veritasium traces analog computers from the Antikythera mechanism and Kelvin's tide-predicting machines to fire control and modern analog approaches. It explains how these machines computed continuously rather than digitally.
32:17The lamps you're not allowed to have. Exploring the Dubai lamps
6.6M views • 5 years ago
bigclivedotcom
Big Clive tears down the Dubai lamp, a Philips LED bulb developed with Dubai's ruler for maximum efficiency and long life. He examines its construction and circuitry, including underrun LEDs and many filament strips.
Topic match · Repair, teardowns & right to repair
33:16Work.
1.7M views • 3 years ago
Historia Civilis
Historia Civilis traces the history of work and time discipline, comparing modern working hours with those of medieval peasants and the changes brought by clocks and industrialization. It draws on works such as Schor's The Overworked American.
Topic match · World history
27:20How GPS Works, And How It Got Better Than The Designers Ever Imagined
943K views • 3 years ago
Scott Manley
Scott Manley covers how GPS works and how civilian accuracy went from a planned 100 meters to about one meter. He explains the technology and the removal of restrictions that made this possible.
28:11Why Everyone Is Talking About Data Centers In Space
408K views • 10 months ago
Scott Manley
Scott Manley examines why SpaceX, Google and others are looking at orbital data centers. He walks through the economics, heat rejection and solar power arguments, with links to the Lumen/Starcloud and Google Suncatcher papers.
24:59High speed camera reveals why sodium explodes!
484K views • 11 years ago
Thunderf00t
Thunderf00t presents high-speed camera footage of alkali metals such as sodium and NaK reacting with water. The footage shows that the explosion is not caused by hydrogen ignition, as the usual explanation says. It is a Coulomb explosion driven by electrons leaving the metal.
38:01I published music on Tidal to test MQA - MQA Review
610K views • 5 years ago
GoldenSound
GoldenSound publishes music on Tidal to test MQA, a deep dive into the format's claims and problems including its leaky filter. Testing begins around the 5:45 mark.
21:24Why are people mean on Twitter? - Smarter Every Day 214
957K views • 7 years ago
SmarterEveryDay
Destin Sandlin of Smarter Every Day examines how bad actors and bots use Twitter, drawing on the released Russian IRA dataset and interviews. It asks why interactions on the platform turn hostile.
23:11Eating less Meat won't save the Planet. Here's Why
5.8M views • 5 years ago
Joseph Everett - WIL
Joseph Everett, with Dr. Frank Mitloehner, argues that eating less meat will not do much for the climate. He covers beef's water footprint, land and feed use, and methane.
Topic match · Nutrition & diet science
49:02Is SpaceX's Raptor engine the king of rocket engines?
5.4M views • 7 years ago
Everyday Astronaut
Everyday Astronaut explains the basic physics of rocket engines, the main engine cycles and fuel types, then compares SpaceX's methane-fueled full-flow staged combustion Raptor to other engines. It runs nearly 50 minutes with chapter markers.
Topic match · Mechanical & precision engineering
44:13Doctor Dissects the Wim Hof Method - Cold Hard Science Analysis
1.8M views • 7 years ago
Medlife Crisis
A cardiologist runs a detailed, skeptical review of the Wim Hof Method, covering the research on cold exposure and breathing techniques. It also teaches how to read scientific statistics critically.
Topic match · Fitness, sleep & longevity
57:50A Complete Beginner's Guide to Electric Vehicles
2.1M views • 4 years ago
Technology Connections
Technology Connections' hour-long guide to electric vehicles, covering costs, trade-offs and especially how little home charging power most drivers need.
Topic match · Cars, EVs & motorcycles
58:53Pounds, shillings, and pence: a history of English coinage
1.2M views • 5 years ago
Lindybeige
Lindybeige gives an hour-long history of English coinage and the problems of maintaining a trustworthy currency. It ends with an explanation of why the pounds, shillings and pence system worked so well.
Topic match · World history