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Only Two Countries Can Still Claim Antarctica4:02

Only Two Countries Can Still Claim Antarctica

7.9M views • 10 years ago
CGP Grey
CGP Grey explains the history and legal status of territorial claims on Antarctica. It covers the overlapping national claims and the Antarctic Treaty that freezes them.
Fourier Optics used for Optical Pattern Recognition18:31

Fourier Optics used for Optical Pattern Recognition

103K views • 6 years ago
Huygens Optics
Huygens Optics explains the Fourier transform and shows how a lens performs one optically. A DLP projector is used as a Fourier filter to do simple pattern recognition on lithographic character patterns.
Plastic Recycling is an Actual Scam | Climate Town8:45

Plastic Recycling is an Actual Scam | Climate Town

1.9M views • 5 years ago
Climate Town
Climate Town gives a comedic, fast-paced account of how the plastics industry promoted recycling, including the resin-code recycling symbol, while knowing most plastic could not be economically recycled. It points viewers to the Frontline documentary Plastic Wars for a deeper treatment.
How to Fix America's Corrupt Political System5:29

How to Fix America's Corrupt Political System

479K views • 10 years ago
RepresentUs
A short RepresentUs explainer on how money corrupts American politics and what an anti-corruption act could do about it. It covers lobbying, super PACs and campaign finance, and pitches the group's proposed reforms. The video was later superseded by an updated version.
Andreas Antonopoulos - 51% Bitcoin Attack2:16

Andreas Antonopoulos - 51% Bitcoin Attack

72K views • 11 years ago
Rodolfo Díaz
A two-minute clip of Andreas Antonopoulos explaining why a 51% attack on Bitcoin would not destroy it and what such an attack would cost. It is a succinct take on mining security.
Is It Really Impossible To Cool A Datacenter In Space?24:30

Is It Really Impossible To Cool A Datacenter In Space?

1.1M views • 7 months ago
Scott Manley
Scott Manley explains the thermal balance of spacecraft and how a satellite could be configured to radiate away the heat from datacenter-scale computing in space. His rough numbers suggest it is feasible.
How to Surface a Submarine in the Arctic Ocean  - Smarter Every Day 26042:02

How 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.
How to Stop a Riot10:18

How to Stop a Riot

5.2M views • 9 years ago
Wendover Productions
Wendover Productions explains counterintuitive riot control techniques based on research, showing that effective tactics tend to avoid violence.
Topic match · Law, policing & justice
Turning Waves Into Particles45:55

Turning Waves Into Particles

194K views • 1 year ago
Huygens Optics
Huygens Optics explores the idea that space is a non-linear elastic medium, and uses simulations to show how wave energy might be confined locally into particle-like objects. It touches on inertia, the Schwinger limit and the vacuum as a medium.
The Map of Mathematics11:06

The Map of Mathematics

16.3M views • 9 years ago
Domain of Science
An animated 11-minute tour of the whole field of mathematics as a single map, showing how pure and applied math and their sub-fields relate to each other.
Why “No Problem” Can Seem Rude: Phatic Expressions3:51

Why “No Problem” Can Seem Rude: Phatic Expressions

5M views • 7 years ago
Tom Scott
Tom Scott explains phatic expressions such as hello, thank you and how are you, which carry social meaning rather than information, and why replies like no problem can seem rude to some people.
Why Japan's Conviction Rate is 99% (Actually Explained)11:10

Why Japan's Conviction Rate is 99% (Actually Explained)

82K views • 6 years ago
That Japanese Man Yuta
Yuta explains what Japan's 99% conviction rate actually means, noting that prosecutors drop cases unless confidence is very high. He argues that the number is widely misunderstood and cites his sources.
Topic match · Law, policing & justice
Why France is Actually Preparing for War With Russia48:59

Why France is Actually Preparing for War With Russia

3.4M views • 2 years ago
RealLifeLore
RealLifeLore explains France's military posture towards Russia, including French involvement in Africa and Russian influence in the Sahel. It covers the geopolitics behind current tensions.
Topic match · Military history & warfare
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.
Vertical Landing Rockets Before SpaceX10:29

Vertical Landing Rockets Before SpaceX

785K views • 8 years ago
Curious Droid
Curious Droid surveys vertical take-off and landing rockets that predate SpaceX and Blue Origin, including the McDonnell Douglas DC-X of the 1990s. It shows that propulsive landing has about 60 years of history.
How Much Is a Human Worth? (according to engineers)14:35

How Much Is a Human Worth? (according to engineers)

647K views • 3 years ago
Practical Engineering
Practical Engineering explains how engineers and agencies put a dollar value on a human life to weigh cost against safety. It covers the legal and regulatory basis for these calculations.
Topic match · Law, policing & justice
Why Japan Arrests Foreigners14:24

Why Japan Arrests Foreigners

8.6M views • 7 years ago
Paolo fromTOKYO
Paolo fromTOKYO explains why foreign tourists get arrested in Japan, covering strict laws and the justice system's very high conviction rate.
Topic match · Law, policing & justice
The US Military’s Massive Global Transportation System18:14

The US Military’s Massive Global Transportation System

3.2M views • 4 years ago
Wendover Productions
Wendover Productions explains how the US military moves people and materiel worldwide, including prepositioned equipment, sealift and airlift. It shows the scale of the logistics system behind US force projection.
Topic match · Military history & warfare
Light Waves Visualized using Photon Sieves.11:33

Light Waves Visualized using Photon Sieves.

69K views • 6 years ago
Huygens Optics
Huygens Optics shows how DIY photon sieves shape a laser's wave front, explaining how they differ from zone plates and how aperture count affects the focal point, with time-resolved visualizations of the diffraction.
The 100 Year Flood Is Not What You Think It Is (Maybe)7:45

The 100 Year Flood Is Not What You Think It Is (Maybe)

2.3M views • 10 years ago
Practical Engineering
Practical Engineering explains what a 100-year flood actually means, combining statistics, hydrology and how society treats risk. Grady walks through local drainage infrastructure and the caveats in estimating flood probability.
Optimistic Nihilism7:26

Optimistic Nihilism

18.9M views • 9 years ago
Kurzgesagt – In a Nutshell
Kurzgesagt's short animated take on optimistic nihilism. It argues the universe has no inherent meaning, so we are free to create our own and enjoy life.
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.
But what is the Riemann zeta function? Visualizing analytic continuation22:11

But what is the Riemann zeta function? Visualizing analytic continuation

5.4M views • 9 years ago
3Blue1Brown
3Blue1Brown visualizes the Riemann zeta function and the analytic continuation that extends it beyond where its series converges, building toward the Riemann hypothesis.
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.
Datacenters Behaving Like Acoustic Weapons29:05

Datacenters Behaving Like Acoustic Weapons

1.8M views • 8 months ago
Benn Jordan
Benn Jordan investigates infrasound and low-frequency noise from data centers, including xAI's Colossus and a crypto mine, and reports his own experiments on the effects. The video covers the health and community impacts on nearby residents.
The Future of Humanity's Energy No One Knows About | Terraform19:59

The Future of Humanity's Energy No One Knows About | Terraform

228K views • 2 years ago
S3 | Science, Startups, & Stories
A 20-minute S3 episode touring Terraform Industries, a startup making synthetic natural gas from air and solar power. It walks through the reactor, injection system, direct air capture and electrolyzer, plus the company's cost goals and next milestone.
You've (Likely) Been Playing The Game Of Life Wrong45:13

You've (Likely) Been Playing The Game Of Life Wrong

11.6M views • 11 months ago
Veritasium
Veritasium explains why many real-world systems follow power laws rather than normal distributions. It covers self-organized criticality, with simulations of sandpiles, magnetism and forest fires.
The Secret Reason Horses Let Us Ride Them6:23

The Secret Reason Horses Let Us Ride Them

26.6M views • 10 years ago
CGP Grey
CGP Grey explains why horses could be ridden and why other animals like zebras and bears were never domesticated for war or riding. It is a follow-up on the topic of animal domestication.
Genetic Engineering Will Change Everything Forever – CRISPR16:04

Genetic Engineering Will Change Everything Forever – CRISPR

30.8M views • 10 years ago
Kurzgesagt – In a Nutshell
Kurzgesagt's animated explainer on CRISPR gene editing, covering how the technology works and what it could mean for curing disease, designer babies and aging. It frames genetic engineering as an irreversible change coming to humanity.
Why do people keep getting this wrong‽12:49

Why do people keep getting this wrong‽

2M views • 6 years ago
Stand-up Maths
Matt Parker of Stand-up Maths explains why people keep making the same mistake with millions and billions, using a Bloomberg cash calculator example. He looks at the unit slip behind the repeated arithmetic error.
Correlation CAN Imply Causation! | Statistics Misconceptions4:12

Correlation CAN Imply Causation! | Statistics Misconceptions

744K views • 9 years ago
minutephysics
A four-minute minutephysics video arguing that causal models and causal networks let statistics infer causation from correlation. It touches on Reichenbach's principle, common causes, feedback and quantum causal discovery.
Genetic Engineering and Diseases – Gene Drive & Malaria7:04

Genetic Engineering and Diseases – Gene Drive & Malaria

9.9M views • 10 years ago
Kurzgesagt – In a Nutshell
A Kurzgesagt animation on using gene drives to modify mosquitoes against malaria, and whether we should. It explains the mechanism and the ethical trade-offs.
Elliptic Curve Back Door - Computerphile12:24

Elliptic Curve Back Door - Computerphile

554K views • 8 years ago
Computerphile
Dr Mike Pound explains the suspected backdoor in the Dual_EC_DRBG random number generator and how elliptic curve constants could let someone predict its output.
Why was Biden's win calculated to be ONE IN A QUADRILLION?19:55

Why was Biden's win calculated to be ONE IN A QUADRILLION?

1.3M views • 5 years ago
Stand-up Maths
Matt Parker of Stand-up Maths examines the Texas Supreme Court filing claiming Biden's 2020 win had a one-in-a-quadrillion chance. He walks through why the statistical argument is flawed.
Super Pointy Sprint Missile - 0 to Mach 10 in 15 Seconds - 100Gs & 6000°F6:00

Super Pointy Sprint Missile - 0 to Mach 10 in 15 Seconds - 100Gs & 6000°F

459K views • 6 years ago
Dark Footage
A short video on the US Sprint anti-ballistic missile, which accelerated to around Mach 10 in seconds under extreme g-forces and heat. It includes striking launch footage and a brief development history.
Topic match · Military history & warfare
Corruption is Legal in America5:51

Corruption is Legal in America

2.3M views • 11 years ago
RepresentUs
A short RepresentUs explainer arguing that US politics is shaped by money, citing the Gilens and Page Princeton study on how little average citizens influence policy.
Topic match · Law, policing & justice
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.
Topic match · Law, policing & justice
How to Win an Interstellar War11:05

How to Win an Interstellar War

13.3M views • 2 years ago
Kurzgesagt – In a Nutshell
A Kurzgesagt video exploring how advanced civilizations might wage war across light years. It looks at weapons such as relativistic beams and what they would do.
Topic match · Military history & warfare
How big is a visible photon?20:34

How big is a visible photon?

793K views • 5 years ago
Huygens Optics
Huygens Optics shows through a laser interference experiment that the question of a photon's size is really about coherence length. It argues that photons exist as energy exchanges between radiation and matter, not as little particles in free space.
Try to Rule Fairly and You'll Be Overthrown18:13

Try to Rule Fairly and You'll Be Overthrown

26M views • 10 years ago
CGP Grey
CGP Grey's animated adaptation of The Dictator's Handbook, explaining how rulers stay in power by keeping a small group of key supporters happy rather than ruling fairly. It lays out selectorate theory and how resources shape regimes.