technology
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.
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.
Topic match · Military history & warfare
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 · Renewables, batteries & storage
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.
21:03Why Heat Pumps are Immensely Important Right Now
1.4M views • 4 years ago
Technology Connections
Technology Connections explains why heat pumps matter right now, covering their efficiency, how they hold up in cold weather and the energy savings over burning fuel. It follows his earlier explainer on how they work.
Topic match · Renewables, batteries & storage
28:04Ground Source / Geothermal Heat Pumps and Other Info
1.2M views • 5 years ago
Technology Connections
A Technology Connections video on how ground-source (geothermal) heat pumps work and why they hold efficiency in winter. It also covers related heat pump information, and the description notes air-source heat pumps have since improved.
Topic match · Renewables, batteries & storage
46:33Heat Pumps are Not Hard: Here's what it will take to start pumping
1.2M views • 4 years ago
Technology Connections
Technology Connections' long closing video in his heat pump series, arguing that adopting heat pumps is well within reach. It explains how they work and what it takes to start using them.
Topic match · Renewables, batteries & storage
21:40The LED's Challenge to High Pressure Sodium
1.6M views • 8 years ago
Technology Connections
A Technology Connections video weighing LED streetlights against high pressure sodium lamps, covering efficiency, color, cost and light pollution. It is a follow-up to his earlier explanation of why street lights are orange.
Topic match · Renewables, batteries & storage
24:26Batteries aren't the only way to store energy. Here's another.
1.5M views • 5 years ago
Technology Connections
Technology Connections explains how a home can act as a thermal battery by pre-cooling or pre-heating when electricity is cheap or abundant. He shows how this shifts load off-peak and eases strain on the grid.
Topic match · Renewables, batteries & storage
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 · Renewables, batteries & storage
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.
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.
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.
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.
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.
22:15Awnings: 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.
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.
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.
43:57Civilizations at the End of Time: Iron Stars
2.1M views • 9 years ago
Isaac Arthur
An Isaac Arthur episode on civilizations in the far future, past the Black Hole Era. It covers iron stars, Boltzmann brains, reversible computing and the idea of reversing entropy.
Topic match · Futurism & technology and society
36:06Civilizations at the End of Time: Black Hole Farming
934K views • 10 years ago
Isaac Arthur
An Isaac Arthur episode on civilizations in the dark, post-stellar universe, including black hole farming, accretion disks and the Penrose process as energy sources.
Topic match · Futurism & technology and society
28:44Arcologies
397K views • 10 years ago
Isaac Arthur
An Isaac Arthur episode on arcologies, self-sufficient habitats that could house whole cities, on Earth or on harsh worlds. It covers how such structures might work and what limits their size.
Topic match · Futurism & technology and society
24:52AlphaFold - The Most Useful Thing AI Has Ever Done
11M views • 1 year ago
Veritasium
A Veritasium video on AlphaFold, DeepMind's protein structure prediction system, and the protein design work it enabled. It features interviews with John Jumper and with David Baker's protein design group and explains why predicting protein folding matters.
Topic match · Biology & biotechnology
40:54Fermi Paradox: The Dyson Dilemma v2.0
397K views • 10 years ago
Isaac Arthur
Isaac Arthur examines the Dyson Dilemma, the puzzle of why we see no Dyson spheres or megastructures if growth-oriented civilizations should build them. He covers detectability and whether such structures could hide.
Topic match · Futurism & technology and society
28:06#Earth 🌏 Will we survive this ? Amazing⚡️ #crashcourse on #collapse & #environment by #ArthurKeller
101K views • 7 years ago
NEXT - Les Mondes Sensibles (byThePassengerStudio)
Arthur Keller gives a roughly half-hour crash course on environmental collapse, covering exponential growth, carrying capacity and ecological overshoot.
Topic match · Futurism & technology and society
29:02Colonizing Venus
731K views • 9 years ago
Isaac Arthur
Isaac Arthur examines options for colonizing Venus, from vast floating habitats in the temperate upper atmosphere to full terraforming of the planet. It is a long-form speculative futurism episode in his solar system colonization series.
Topic match · Futurism & technology and society
34:39Gay Frogs: A Deep Dive
2.2M views • 6 years ago
Oki's Weird Stories
A long video essay on the claim that chemicals such as atrazine are feminizing frogs. It covers the science, the EPA and the role of chemical companies.
Topic match · Biology & biotechnology
21:56What If Alien Life Were Silicon-Based?
3.8M views • 3 years ago
PBS Space Time
PBS Space Time considers whether life could be based on silicon instead of carbon, comparing the two elements' chemistry and why silicon is the most plausible alternative.
Topic match · Biology & biotechnology
23:55Matrioshka Brains: Star-Powered Computers
505K views • 10 years ago
Isaac Arthur
Isaac Arthur explains the Matrioshka Brain, a hypothetical computer or artificial mind powered by an entire star using nested shells. It covers how such megastructures relate to Dyson spheres and superintelligence.
Topic match · Futurism & technology and society
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.
Topic match · Futurism & technology and society
40:47Dyson Spheres
838K views • 9 years ago
Isaac Arthur
Isaac Arthur examines Dyson spheres and swarms, including common myths and misconceptions. He covers uses such as interstellar travel, black hole generation, and computing large enough to simulate universes.
Topic match · Futurism & technology and society
30:53I Saved a PNG Image To A Bird
2.1M views • 1 year ago
Benn Jordan
Benn Jordan's video about storing a PNG image in a living bird, a starling that learns to reproduce encoded sounds. It mixes ornithology, audio engineering, and data encoding.
Topic match · Audio & video engineering
31:58Kraut Space Magic: the H&K G11
10.3M views • 7 years ago
Forgotten Weapons
Forgotten Weapons examines the Heckler & Koch G11, a West German experimental rifle built around a caseless cartridge. The video covers the G11K2 and its unusual technology before its cancellation for political and economic reasons.
Topic match · Military history & warfare
23:53D/A and A/D | Digital Show and Tell (Monty Montgomery @ xiph.org)
647K views • 13 years ago
FL Studio
Monty Montgomery of Xiph.org gives real-time demonstrations of sampling, quantization, bit depth and dither using real audio equipment, including both digital analysis tools and vintage analog bench gear. It shows that sampled audio is not stair-stepped and corrects common misconceptions about digital audio.
Topic match · Audio & video engineering
20:58The Epidemic of Fake Disease
2.4M views • 6 years ago
Medlife Crisis
A Medlife Crisis video by cardiologist Rohin Francis on overdiagnosis and over-screening. It explains how detecting more disease does not necessarily mean saving more lives, and covers harms such as unnecessary treatment.
Topic match · Medicine & infectious disease
23:12Simulating an epidemic
5.2M views • 6 years ago
3Blue1Brown
3Blue1Brown builds toy SIR models to simulate how an epidemic spreads and tests scenarios like social distancing, travel restrictions, central gathering places and quarantine. It was made during the early COVID-19 outbreak.
Topic match · Medicine & infectious disease
21:25Gimbal UFO - A New Analysis
208K views • 4 years ago
Mick West
Mick West analyzes the Navy's Gimbal UFO video and gives four checkable observations suggesting it is an infrared glare that appears to rotate because the camera rotates while tracking. He argues the object is likely a hot craft hidden behind the glare.
Topic match · Military history & warfare