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Superpositions, Sudoku, the Wave Function Collapse algorithm.14:28

Superpositions, Sudoku, the Wave Function Collapse algorithm.

764K views • 6 years ago
Martin Donald
Martin Donald explains the Wave Function Collapse algorithm using Sudoku-like constraint solving and shows how he implemented it with Blender and Godot. It links demos and reference articles.
Facebook Fraud9:00

Facebook Fraud

6.6M views • 12 years ago
Veritasium
Veritasium argues that Facebook's ad revenue relies partly on fake likes, after paying to promote his page and gaining tens of thousands of followers in developing countries who never engaged. He shares his experiment and cites other cases.
Pentagons Are Terrible at One Thing9:27

Pentagons Are Terrible at One Thing

20.6M views • 6 years ago
CGP Grey
A CGP Grey video about why pentagons are bad at tiling and why hexagons are so special, in his usual playful style. It touches on honeycombs and tiling in nature.
The Problem With Facebook6:59

The Problem With Facebook

3.1M views • 12 years ago
2veritasium
Veritasium's Derek Muller argues that Facebook's business model works against pages and creators, because it charges them to reach the audiences they built. He explains how filtering and paid promotion undermine the value of likes.
Why I Cook With Induction3:01

Why I Cook With Induction

383K views • 5 years ago
Jon Kung
Chef Jon Kung explains why he cooks almost exclusively on induction, citing fast heating, cleanliness and precise temperature control. He shows a rounded induction wok burner.
Glitch Tokens - Computerphile19:29

Glitch Tokens - Computerphile

353K views • 3 years ago
Computerphile
Rob Miles explains "glitch" tokens, odd strings in large language model vocabularies that make the model produce gibberish. He covers how they likely arise from tokenizer training data, such as Reddit usernames, that never appeared in the model's own training.
The city of golf carts5:50

The city of golf carts

1.8M views • 7 years ago
Tom Scott
Tom Scott visits Peachtree City, Georgia, which has about a hundred miles of dedicated golf cart paths that serve as an alternative to driving. He explains how the network works as a quasi-transit system that keeps cars off the roads.
30 Weird Chess Algorithms: Elo World42:36

30 Weird Chess Algorithms: Elo World

965K views • 7 years ago
suckerpinch
Tom Scott-style absurdist tour by Tom7 of SIGBOVIK chess projects: a tournament of 30 weird chess algorithms used to rate a color- and piece-blind chess program. Topics include mirrors, arithmetic encoding, perverted game tree search and a diluted Stockfish.
Most Cities Got More Democratic. This One Didn't.5:48

Most Cities Got More Democratic. This One Didn't.

6.1M views • 14 years ago
CGP Grey
CGP Grey explains the City of London's unusual governance, including the Lord Mayor, guilds, and how it differs from the rest of London.
Old-fashioned rice cookers are extremely clever11:11

Old-fashioned rice cookers are extremely clever

3.2M views • 6 years ago
Technology Connections
Technology Connections explains how old-fashioned non-electronic rice cookers work, using a magnet and spring switch tripped by the Curie point. It shows the thermodynamics and magnetism behind a simple appliance.
The Golden Ratio (why it is so irrational) - Numberphile15:13

The Golden Ratio (why it is so irrational) - Numberphile

3.9M views • 8 years ago
Numberphile
Numberphile's Ben Sparks shows why the golden ratio is the most irrational number, using seeds, continued fractions and rational approximations. He also explains why plants use it for spacing leaves and seeds.
How an Average Family in Tokyo Can Buy a New Home11:57

How an Average Family in Tokyo Can Buy a New Home

4.2M views • 9 years ago
Life Where I'm From
A mini-documentary by a Canadian living in Japan explaining how an average family can afford a new detached house in Tokyo. It covers how houses are treated as depreciating assets and how Japanese zoning and building practices keep prices low.
Manipulating the YouTube Algorithm - (Part 1/3) Smarter Every Day 21318:57

Manipulating the YouTube Algorithm - (Part 1/3) Smarter Every Day 213

2.7M views • 7 years ago
SmarterEveryDay
Part 1 of Smarter Every Day's three-part series on manipulating the YouTube algorithm. It features Renee DiResta and examples of how social media platforms can be manipulated.
You Need a Theme, Not a Goal6:24

You Need a Theme, Not a Goal

5.5M views • 6 years ago
CGP Grey
CGP Grey argues for picking a theme for the year or season instead of setting goals or new year's resolutions. He explains how a theme gives direction without a pass/fail target.
Why Japan Looks the Way it Does: Zoning14:35

Why Japan Looks the Way it Does: Zoning

639K views • 5 years ago
Life Where I'm From
A video explaining why Japanese cities look the way they do, through Japan's national tiered zoning system that permits mixed use and flexible development. It compares this approach with more restrictive zoning elsewhere.
The REAL Reason McDonalds Ice Cream Machines Are Always Broken29:46

The REAL Reason McDonalds Ice Cream Machines Are Always Broken

13.6M views • 5 years ago
Johnny Harris
Johnny Harris investigates why McDonald's ice cream machines are so often broken, covering the Taylor machines, the repair restrictions on franchisees and the Kytch workaround device.
Explained: "Go Fast" UFO Video - Not Low and Not Fast - Like a Balloon!6:43

Explained: "Go Fast" UFO Video - Not Low and Not Fast - Like a Balloon!

156K views • 7 years ago
Mick West
Mick West analyzes the Navy "Go Fast" UFO footage and shows with simple trigonometry and the data overlay that the object is slow and high up, consistent with a balloon. He explains how parallax makes it look fast and argues the original TV claims were wrong.
How Overnight Shipping Works11:14

How Overnight Shipping Works

7.6M views • 8 years ago
Wendover Productions
Wendover Productions explains how overnight shipping works, covering the hub-and-spoke logistics of companies like FedEx and UPS and the use of cargo aircraft. It touches on the economics that make next-day delivery possible.
How Quantum Computers Break Encryption | Shor's Algorithm Explained17:31

How Quantum Computers Break Encryption | Shor's Algorithm Explained

3.4M views • 7 years ago
minutephysics
MinutePhysics explains Shor's algorithm, showing how a quantum computer factors large integers by finding the period of a number modulo N. It walks through the modular arithmetic and number theory that give the exponential speedup over classical factoring, and why this threatens encryption.
Hacking at Quantum Speed with Shor's Algorithm | Infinite Series16:36

Hacking at Quantum Speed with Shor's Algorithm | Infinite Series

238K views • 9 years ago
PBS Infinite Series
PBS Infinite Series explains how Shor's algorithm lets a quantum computer break RSA encryption, building on earlier episodes about cryptography and the math of quantum computers. It works through the idea step by step.
Breakdown of the Pentagon UFO videos with Mick West24:46

Breakdown of the Pentagon UFO videos with Mick West

366K views • 6 years ago
Cool Worlds
Astronomer David Kipping of Cool Worlds talks with Mick West to break down the three declassified Pentagon UFO videos. They explain the footage through camera artifacts, glare, and perspective effects.
Google Earth’s Incredible 3D Imagery, Explained8:09

Google Earth’s Incredible 3D Imagery, Explained

3.1M views • 9 years ago
Nat and Friends
A short explainer from Nat and Friends on where Google Earth's 3D imagery comes from, how it is stitched together, and how often it is updated. It describes aircraft carrying camera rigs and photogrammetry that turns the photos into 3D models.
How They Caught The Golden State Killer27:12

How They Caught The Golden State Killer

10.1M views • 5 years ago
Veritasium
Veritasium explains how investigators caught the Golden State Killer using forensic genealogy, matching crime scene DNA to distant relatives in public genealogy databases. It also covers the privacy implications of DNA databases.
Who is Manipulating Facebook? - Smarter Every Day 21521:05

Who 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.
1,000km Cable to the Stars - The Skyhook7:00

1,000km Cable to the Stars - The Skyhook

13M views • 6 years ago
Kurzgesagt – In a Nutshell
Kurzgesagt explains the skyhook, a rotating cable with a counterweight that could catapult spacecraft from Earth orbit toward deep space. It covers why it would make space travel cheaper and more efficient.
The Shortest-Splitline Algorithm: a Gerrymandering Solution [Bonus Video]3:38

The Shortest-Splitline Algorithm: a Gerrymandering Solution [Bonus Video]

692K views • 15 years ago
CGP Grey
A short CGP Grey bonus video explaining the shortest-splitline algorithm, which draws electoral districts by repeatedly splitting a state along its shortest dividing line while balancing population. It is offered as a neutral, algorithmic fix for gerrymandering.
How Steve Jobs got the ideas of GUI from XEROX9:41

How Steve Jobs got the ideas of GUI from XEROX

272K views • 12 years ago
Ringo Pebam
A short video telling how Xerox PARC invented the graphical user interface and how Steve Jobs's 1979 visit influenced Apple's Lisa.
Intelligence and Stupidity: The Orthogonality Thesis13:03

Intelligence and Stupidity: The Orthogonality Thesis

710K views • 8 years ago
Robert Miles AI Safety
Robert Miles explains the orthogonality thesis: how an agent can be highly intelligent while pursuing goals that seem stupid or alien to humans. He separates intelligence from goals and touches on the stamp-collector example.
Algorithmic Redistricting: Elections made-to-order26:48

Algorithmic Redistricting: Elections made-to-order

584K views • 5 years ago
AlphaPhoenix
AlphaPhoenix uses Monte Carlo simulation and annealing-style methods to draw North Carolina congressional district maps, both gerrymandered and fair. He focuses on the fascinating computational problem rather than the politics.
Everyone is Wrong About Mexican Coke (Even @johnnyharris)9:55

Everyone is Wrong About Mexican Coke (Even @johnnyharris)

1.2M views • 1 year ago
Reactions
ACS Reactions investigates why Mexican Coke, supposedly cane sugar sweetened, tested as having glucose and fructose, explaining that sucrose breaks down in acidic soda.
The Car-Replacement Bicycle (the bakfiets)10:45

The Car-Replacement Bicycle (the bakfiets)

1.6M views • 4 years ago
Not Just Bikes
Not Just Bikes explains how an electric bakfiets (Dutch cargo bike) replaced the family car after a move back to Canada, saving thousands of dollars. It shows how much it can carry, including kids and groceries.
Finding the BEST sine function for Nintendo 6426:41

Finding the BEST sine function for Nintendo 64

418K views • 3 years ago
Kaze Emanuar
Kaze Emanuar searches for the best sine approximation for the Nintendo 64, comparing the lookup tables in Mario 64 and Ocarina of Time with polynomial alternatives. It walks through numerics and 3rd, 4th and 5th order approximations.
"Pyramid UFO" - NEW FOOTAGE. It's Just Bokeh, not a Pyramid4:18

"Pyramid UFO" - NEW FOOTAGE. It's Just Bokeh, not a Pyramid

434K views • 5 years ago
Mick West
Mick West shows new night-vision reference footage indicating the Navy's supposed flying pyramid UFO is just an out-of-focus light, likely a plane near LAX, rendered triangular by bokeh. He identifies other lights as Jupiter and stars.
How Lexus Fixed Tesla's Bad Idea: Steer-By-Wire Yoke14:28

How Lexus Fixed Tesla's Bad Idea: Steer-By-Wire Yoke

7M views • 3 years ago
Engineering Explained
Engineering Explained compares Lexus's steer-by-wire yoke on the RZ 450e with Tesla's yoke. It covers how steer-by-wire works and how variable steering ratios address the yoke's flaws.
The Trains that Subsidize Suburbia - GO Transit Commuter Rail15:49

The Trains that Subsidize Suburbia - GO Transit Commuter Rail

1.3M views • 5 years ago
Not Just Bikes
Not Just Bikes examines Toronto's GO Transit commuter rail, arguing it is a costly system with park-and-ride stations and rush-hour-only service that subsidizes car-dependent suburbs.
The IOU Machine: How Currency Is Created | Hidden Secrets of Money Ep. 429:35

The IOU Machine: How Currency Is Created | Hidden Secrets of Money Ep. 4

11.1M views • 13 years ago
GoldSilver
Episode 4 of Mike Maloney's Hidden Secrets of Money, explaining how currency is created through a chain of IOUs among the Treasury, banks and the Federal Reserve. It covers bonds, Fed checks, debt, taxes and fractional reserve lending, from a gold-and-silver advocate's viewpoint.
D/A and A/D | Digital Show and Tell (Monty Montgomery @ xiph.org)23:53

D/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.
The Fast Fourier Transform (FFT): Most Ingenious Algorithm Ever?28:23

The 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.
The 7 Habits of Highly Miserable People6:06

The 7 Habits of Highly Miserable People

14.7M views • 9 years ago
CGP Grey
CGP Grey's sarcastic animated video adapted from the book How to Be Miserable, listing habits that reliably make people unhappy. By inverting the advice, it shows what to avoid and prompts reflection on goals and routines.
Math's Fundamental Flaw34:00

Math's Fundamental Flaw

30.8M views • 5 years ago
Veritasium
Veritasium's explainer on Godel's incompleteness theorems and the limits of mathematical proof, tracing set theory, Hilbert's program and the road to Turing and modern computing.