tech ethics
9:34New NES Tetris Technique: Faster Than Hypertapping!
5.1M views • 5 years ago
aGameScout
aGameScout explains rolling, the third major NES Tetris playstyle, in which players tap the back of the controller to move pieces faster than hypertapping. It covers how the technique works and where it comes from.
18:31The LED Traffic Light and the Danger of "But Sometimes!"
4.2M views • 8 years ago
Technology Connections
Technology Connections explains how LED traffic lights, which do not melt snow, drew complaints and were blamed for accidents. He uses it to illustrate the 'but sometimes' fallacy against new technology.
1:32:00You are being misled about renewable energy technology.
5M views • 9 months ago
Technology Connections
A long Technology Connections video arguing that public understanding of renewable energy is distorted. It covers solar economics, land use compared with ethanol corn, and battery myths such as cobalt.
22:15Awnings: a simple cooling tech we apparently forgot about
2.1M views • 2 years ago
Technology Connections
Technology Connections looks at why awnings disappeared from houses and how effective they are at cutting solar heat gain and cooling costs. It argues they are a simple, forgotten cooling technology.
36:29Drip Coffee Makers — super simple, super cheap
4.7M views • 4 years ago
Technology Connections
Technology Connections explains how the simple American drip coffee maker works, including the bimetal valve and bubble-pump heating, and compares the original Mr. Coffee with modern machines.
37:16Why it's not possible to synchronize turn signals (but also absolutely is)
3.3M views • 5 years ago
Technology Connections
Technology Connections explains why car turn signals appear to drift out of sync at stoplights and how thermal and other flasher designs work. It also covers how synchronization could be achieved.
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.
4:44Debt Metaphor
95K views • 17 years ago
Ward Cunningham
Ward Cunningham explains the history and intent of the debt metaphor, which he coined while refactoring the WyCash product. He says debt means code reflecting an incomplete understanding of the problem, not sloppy programming.
27:16How Do Night Vision Goggles Work?
8.4M views • 3 years ago
Veritasium
Veritasium visits the US Navy's Crane facility to test top night vision goggles. It explains how image intensifier tubes and thermal or digital systems work and compares the generations of the technology.
35:15Heat Pumps: the Future of Home Heating
4.8M views • 5 years ago
Technology Connections
Technology Connections explains how heat pumps work as reversed air conditioners and why they can deliver several times the heat of resistive heating per unit of energy. It also tackles common myths such as poor cold-weather performance.
32:35Detergent packs are kinda wishy-washy (Dishwashers Explained)
6M views • 5 years ago
Technology Connections
Technology Connections explains how dishwashers work, why detergent pods underperform powder, and how to use the pre-wash and main-wash compartments. It argues you don't need to pre-rinse dishes.
18:28The Antique Toaster that's Better than Yours
3.4M views • 7 years ago
Technology Connections
Technology Connections takes apart a 1940s Sunbeam Radiant Control toaster. It senses the toast's own browning and lowers and raises it automatically using purely mechanical parts and no electronics.
50:09Old pinball machines are amazingly complex
3.5M views • 3 years ago
Technology Connections
Technology Connections takes a long, detailed look at how a 1970s electromechanical pinball machine works, from relays to stepper motors and mechanical logic. It is the first part of a series.
27:47Your dishwasher is better than you think (tips, tricks, and how they work)
8.4M views • 2 years ago
Technology Connections
Technology Connections explains how dishwashers work and how to use them well, including detergent use, the prewash cycle and why pre-rinsing hurts. It follows his earlier dishwasher videos.
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.
18:15So... the minute hand shows progression — apparently we think of time in wildly different ways
706K views • 4 years ago
Technology Connextras
A Technology Connections video essay on how analog and digital clocks shape different mental models of time, with the minute hand acting as a progress indicator.
14:21The Antique Microwave Oven that's Better than Yours
2.7M views • 5 years ago
Technology Connections
Technology Connections examines an old feature-rich microwave and shows how it uses a humidity or steam sensor and lookup data to cook food well, arguing it beats many modern ones.
23:04The Computer-free Automation of a Jukebox (Electromechanics)
1.3M views • 6 years ago
Technology Connections
Technology Connections takes apart a 1970 Wurlitzer 3400 jukebox to show how electromechanical relays and switches automated its behavior without a computer.
13:14How Analog Color TV Works: The Beginnings
503K views • 8 years ago
Technology Connections
Technology Connections explains the early history of analog color television, from the 1954 start of modern color broadcasting, and how shadow masks work in CRTs. It is the first in a series on how analog color TV works.
32:51Thermoelectric cooling: it's not great.
6.4M views • 2 years ago
Technology Connections
Technology Connections explains in 33 minutes why thermoelectric (Peltier) cooling is far less efficient than compressor-based refrigeration.
11:18The simple, clever sensor behind automatic windshield wipers
1.8M views • 2 years ago
Technology Connections
Technology Connections explains how automatic windshield wiper rain sensors work, using an infrared light source and total internal reflection in the glass.
11:02How to design an actually good toaster with lessons from the 1940's
851K views • 6 years ago
Technology Connections
Technology Connections praises a 1940s-50s Sunbeam toaster and explains what makes a toaster well designed, drawing on a vintage Sunbeam video.
22:05Forced-air Furnaces: The What, Why, and How
1.7M views • 6 years ago
Technology Connections
Technology Connections explains what forced-air furnaces are, how they work and why they need electricity. He covers combustion, airflow and the parts of a modern furnace.
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.
43:00The step-by-step, mechanical logic of old pinball machines
1.1M views • 2 years ago
Technology Connections
Technology Connections takes apart the step-by-step electromechanical logic of a 1970s pinball machine. He shows how relays, steppers and switches track state and score without electronics.
17:04These Are Not Pixels: Revisited
611K views • 8 years ago
Technology Connections
Technology Connections follows up on his analog TV video to clear up the debate over whether CRT phosphor dots are pixels. He explains the shadow mask, color triads and how they relate to the scanned picture.
10:58DON'T Buy a Used Mining GPU! - $h!t Manufacturers Say
3.7M views • 5 years ago
Linus Tech Tips
Linus Tech Tips looks at whether buying a used GPU that was previously used for crypto mining is a good idea, as miners prepare to sell off cards. The video discusses how mining affects wear on cards and what to watch for.
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.
22:19The Weird World in RGB
2.7M views • 7 years ago
Technology Connections
Technology Connections explains how RGB light and color work, from hue and saturation to color vision and how objects appear under different lighting. It uses a studio setup with colored lights to demonstrate the effects.
16:31The TRUTH About How LTT Makes Money
1.9M views • 1 year ago
Linus Tech Tips
Linus Tech Tips breaks down the company's income streams, including sponsors, YouTube Premium, merch and other products. It gives percentages for each revenue source.
17:24The touch lamp; a neat idea, and older than you'd think!
1.8M views • 6 years ago
Technology Connections
Technology Connections explains how touch lamps work and traces them back through patents to the 1950s, far earlier than most people assume.
19:22LED Christmas lights still annoy me. Let's try some more fixes.
1.2M views • 2 years ago
Technology Connections
Technology Connections complains about the harsh, overly blue color of modern LED Christmas lights and tries more fixes for them. It follows earlier videos by the same creator on holiday lighting.
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.
56:32100%+ short interest in GameStop stock (GME) – fundamental & technical deep value analysis
1.8M views • 6 years ago
Roaring Kitty
Roaring Kitty's July 2020 analysis of GameStop, arguing a bullish deep-value case when the stock was about $4 and short interest exceeded 100%. It covers fundamentals, cash balance and technicals.
13:09Moon Landings Faked? Filmmaker Says Not!
1.4M views • 13 years ago
VideoFromSpace
A filmmaker explains why the Apollo moon landing footage could not have been faked in a studio, based on the video and film technology of the late 1960s. He walks through the limits of cameras, frame rates and effects of the era.
12:16LCCS: The LCD / CRT Hybrid from JVC
2.3M views • 7 years ago
Technology Connections
A Technology Connections video on JVC's LCCS, a display hybrid that cycles a color LCD shutter over a monochrome CRT to produce field-sequential color without dots or stripes. It builds on his earlier videos about analog TV and compatible color.
27:14Transformers, the tech behind LLMs | Deep Learning Chapter 5
11.6M views • 2 years ago
3Blue1Brown
3Blue1Brown's visual explanation of how transformers and GPT-style language models work, tracing data through tokens, embeddings and attention.
55:00The Closest Thing We Have to Alien Technology
64.9M views • 10 months ago
Veritasium
Veritasium explains how ASML's EUV lithography machines make the most advanced computer chips, covering the engineering of the light source, mirrors and the supply chain around them. It is a long-form explainer on the world's most complex commercial machine.
9:36Motorcycle Airbags Exist – But No One Uses Them?
5.9M views • 5 years ago
FortNine
FortNine surveys motorcycle airbag technology and explains why airbags have not reached mainstream adoption. It breaks down gear such as the Helite Turtle, Dainese D-Air and Alpinestars Tech-Air.
3:38The Electrowetting Display
118K views • 13 years ago
IEEE Spectrum
IEEE Spectrum interviews Samsung display researcher Johan Feenstra on how electrowetting displays work. He explains why they can match LCD capability while being about three times more efficient.