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Stroads are Ugly, Expensive, and Dangerous (and they're everywhere) [ST05]18:14

Stroads are Ugly, Expensive, and Dangerous (and they're everywhere) [ST05]

8.3M views • 5 years ago
Not Just Bikes
Not Just Bikes introduces the "stroad", a street-road hybrid common in the US and Canada that fails at both jobs. He contrasts it with Dutch design, where each road has a single purpose, and covers cost, danger and ugliness.
Why Railroads Don't Need Expansion Joints15:53

Why Railroads Don't Need Expansion Joints

5.3M views • 2 years ago
Practical Engineering
Practical Engineering explains how continuous welded rail copes with thermal expansion by restraining it, using the relationship between temperature, stress and strain. The video is part of a series on railways.
Why this British crossroads was so dangerous4:12

Why this British crossroads was so dangerous

3.9M views • 6 years ago
Tom Scott
Tom Scott explains why Ipley Cross in England's New Forest was one of Britain's most dangerous junctions. The angled crossroads lets a car's A-pillar hide approaching traffic and cyclists because there is no relative motion in the driver's view.
The Holographic Universe Explained18:24

The Holographic Universe Explained

3.5M views • 7 years ago
PBS Space Time
A PBS Space Time episode explaining the holographic principle: the idea that our 3+1 dimensional universe may be described by information on a lower-dimensional boundary. It walks through black hole entropy and the AdS/CFT correspondence.
The Best Kind of Dutch Cycling Infrastructure5:21

The Best Kind of Dutch Cycling Infrastructure

355K views • 6 years ago
Not Just Bikes
Not Just Bikes explains Dutch bicycle-only roads, which let people travel long distances in and out of cities with almost no car interaction. It shows how this changes cycling from a chore into something enjoyable.
This 1970s tank simulator drives through a tiny world4:40

This 1970s tank simulator drives through a tiny world

12M views • 4 years ago
Tom Scott
Tom Scott visits the Swiss Military Museum to see the last surviving 1970s tank-driving simulator. It uses a real camera moving over a miniature model landscape rather than any computer graphics.
Topic match · VR, AR & spatial computing
Can You Watch This Without Getting Angry?6:17

Can You Watch This Without Getting Angry?

12.1M views • 11 years ago
CGP Grey
CGP Grey explains how ideas spread like germs, and why content that triggers outrage spreads fastest, using a study on what makes online content viral. He argues that opposing outrage-driven memes feed each other.
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.
What People Get Wrong About Induced Demand8:05

What People Get Wrong About Induced Demand

291K views • 5 years ago
Oh The Urbanity!
Explains induced demand beyond roads, showing that it applies to transit, walking and cycling infrastructure too but with different consequences. It corrects common misunderstandings of the concept.
Traffic Calming is Everywhere in the Netherlands5:12

Traffic Calming is Everywhere in the Netherlands

404K views • 6 years ago
Not Just Bikes
Not Just Bikes shows how traffic calming is built into streets across the Netherlands, from city centres to villages. Street design naturally slows cars and makes roads safer.
How We’re Fooled By Statistics7:38

How We’re Fooled By Statistics

3.8M views • 12 years ago
Veritasium
A short Veritasium video explaining regression to the mean and how ignoring it leads to wrong conclusions about punishment versus reward, medical treatments and sports streaks. It uses the example of flight instructors who believed criticism works better than praise.
How Wrong Is VERITASIUM? A Lamp and Power Line Story19:17

How Wrong Is VERITASIUM? A Lamp and Power Line Story

4.4M views • 4 years ago
ElectroBOOM
ElectroBOOM's Mehdi Sadaghdar responds to Veritasium's lamp-and-long-wire puzzle, analysing it as an electrical engineer. He covers where the original framing misleads and the role of stray capacitance.
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.
Tesla Autopilot Crashes into Motorcycle Riders - Why?8:35

Tesla Autopilot Crashes into Motorcycle Riders - Why?

1.1M views • 4 years ago
FortNine
FortNine looks at why Tesla Autopilot has rear-ended motorcyclists, speculating that the vision system misreads motorcycle taillights as a distant car. It argues that radar and other sensors would help.
We Were Taught to Call Death a Blessing12:44

We Were Taught to Call Death a Blessing

11.9M views • 8 years ago
CGP Grey
CGP Grey narrates an animated adaptation of Nick Bostrom's Fable of the Dragon-Tyrant. The story uses a dragon that demands a daily toll of lives as a metaphor for aging and society's acceptance of death.
London Swallowed a City but Couldn't Digest It.4:48

London Swallowed a City but Couldn't Digest It.

8.6M views • 14 years ago
CGP Grey
CGP Grey explains that the City of London is a tiny, separate entity with its own governance, history and privileges, distinct from the city called London. He covers its financial role and how it is run.
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 Your Vote Doesn't Count6:31

Why Your Vote Doesn't Count

7.9M views • 15 years ago
CGP Grey
CGP Grey explains first-past-the-post voting and why it pushes elections toward two dominant parties. It is the first in his series on electoral systems.
Why Being Delusional is a Superpower12:04

Why Being Delusional is a Superpower

15.2M views • 6 years ago
Veritasium
Veritasium examines the role of luck in success, with simulations and examples showing how small advantages and chance can compound. It argues that top outcomes are disproportionately luck-driven while still crediting effort.
The Wrong Way to Set Speed Limits [ST06]11:09

The Wrong Way to Set Speed Limits [ST06]

2.1M views • 5 years ago
Not Just Bikes
Not Just Bikes explains how North American speed limits are set and why posted limits matter far less than street design. It argues that drivers follow the road's cues, so safe speeds have to be built into the street.
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.
Cities Aren't Loud: Cars Are Loud17:08

Cities Aren't Loud: Cars Are Loud

2.3M views • 5 years ago
Not Just Bikes
Not Just Bikes argues that urban noise comes mostly from motor vehicles, drawing on the book Curbing Traffic and a visit to Delft, a city that takes noise seriously.
Your Brain Thinks Your Whole Home Is One Room10:59

Your Brain Thinks Your Whole Home Is One Room

6.8M views • 6 years ago
CGP Grey
CGP Grey argues that your brain treats a whole home as one room during lockdown, blurring work, rest and leisure. He recommends creating separate spaces and routines for different activities to stay balanced.
Can YOU Fix Climate Change?15:50

Can YOU Fix Climate Change?

14.3M views • 5 years ago
Kurzgesagt – In a Nutshell
Kurzgesagt examines what individuals can do about climate change, covering lesser-known carbon sources and why systemic and political change matter more than personal footprints.
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.
Why No One Has Measured The Speed Of Light19:05

Why No One Has Measured The Speed Of Light

24.3M views • 6 years ago
Veritasium
Veritasium explains why the one-way speed of light has never been measured, only the round-trip speed, since measuring it requires synchronized clocks that assume the answer. It explores the implications for relativity.
Unix and Google7:16

Unix and Google

9K views • 10 years ago
FOAM
A short animated simulation comparing how Multics and Unix were developed, showing why Unix's small composable programs and pipes gave it a efficiency advantage. It frames Unix as a moonshot achievable by a small team.
You Actually Share Your Brain With a Silent Stranger4:58

You Actually Share Your Brain With a Silent Stranger

20.2M views • 10 years ago
CGP Grey
CGP Grey explains split-brain patients, where severing the corpus callosum lets the two hemispheres act independently. He uses this to explore the idea of two minds in one head.
Why We Won't Raise Our Kids in Suburbia12:14

Why We Won't Raise Our Kids in Suburbia

5.2M views • 4 years ago
Not Just Bikes
Not Just Bikes argues that car-dependent suburbs rob children of independence, contrasting North American suburbia with Dutch cities where kids walk and bike on their own. It is the creator's remake of an earlier video on the topic.
The Expert Myth17:59

The Expert Myth

16M views • 4 years ago
Veritasium
Veritasium examines which experts have real expertise, drawing on chess research and work by Klein and Kahneman. It explains that expertise comes from pattern recognition built through deliberate practice in valid, feedback-rich environments.
Traffic Has a Perfect Solution. Humans Are the Problem.4:30

Traffic Has a Perfect Solution. Humans Are the Problem.

44.6M views • 10 years ago
CGP Grey
CGP Grey explains how traffic jams come from human driving behavior such as tailgating and reaction delays, and how leaving gaps and smoothing speed would reduce congestion. It also touches on self-driving cars.
Propaganda Games: Sesame Credit - The True Danger of Gamification - Extra Credits7:39

Propaganda Games: Sesame Credit - The True Danger of Gamification - Extra Credits

2M views • 10 years ago
Extra Credits
An Extra Credits episode on China's Sesame Credit, which gamifies obedient citizenship through a social score. It covers how the system rewards conformity and pressures people through their friends' behavior.
How I Designed a Free Music Font for 5 Million Musicians (MuseScore 3.6)19:40

How I Designed a Free Music Font for 5 Million Musicians (MuseScore 3.6)

608K views • 5 years ago
Tantacrul
Tantacrul explains how he and engraver Simon Smith designed the free music notation font for MuseScore 3.6. It draws on the history of the SCORE notation application by Leland Smith.
Connecting Solar to the Grid is Harder Than You Think18:48

Connecting Solar to the Grid is Harder Than You Think

2.4M views • 2 years ago
Practical Engineering
Practical Engineering explains why connecting solar and other inverter-based generation to the grid is hard. It covers grid stability, load balancing and the behind-the-scenes engineering challenges of renewables.
Big Plane vs Little Plane (The Economics of Long-Haul Flights)10:08

Big Plane vs Little Plane (The Economics of Long-Haul Flights)

4.3M views • 10 years ago
Wendover Productions
Wendover Productions explains why Boeing's efficient 787 beat Airbus's giant A380, contrasting hub-and-spoke with point-to-point routes. It covers the economics of long-haul flights.
Why Louisiana Stays Poor15:25

Why Louisiana Stays Poor

1.7M views • 7 years ago
Together Louisiana
Together Louisiana asks why Louisiana stays poor despite its natural resources and industry, focusing on industrial tax exemptions and corporate welfare.
How Far Are The Nearest Stars?10:22

How Far Are The Nearest Stars?

3.7M views • 9 years ago
Cody'sLab
Cody's Lab builds a 200-billionth-scale model to show how far away the nearest stars are, using parallax and light speed. A short astronomy explainer on interstellar distances.
This equation will change how you see the world (the logistic map)18:39

This equation will change how you see the world (the logistic map)

17.1M views • 6 years ago
Veritasium
A Veritasium video on the logistic map, showing how a simple population equation leads to chaos and bifurcation. It connects the idea to convection, neuron firing and the Mandelbrot set, with interactive animations.
Suburbia is Subsidized: Here's the Math [ST07]10:16

Suburbia is Subsidized: Here's the Math [ST07]

1.5M views • 4 years ago
Not Just Bikes
Not Just Bikes explains, using Urban3's property-tax analysis, why car-dependent suburbs generate less tax revenue than they cost to maintain, so dense urban cores effectively subsidize them. It is part of a Strong Towns series.
Was YOUR vote counted? (feat. homomorphic encryption) - Numberphile8:34

Was YOUR vote counted? (feat. homomorphic encryption) - Numberphile

198K views • 10 years ago
Numberphile
Numberphile interviews cryptographer Ron Rivest about end-to-end verifiable voting. He explains how homomorphic encryption and receipts let a voter confirm their ballot was counted without being able to prove how they voted to anyone else.