Channel Videos from Tom Scott

A Million Dollars vs A Billion Dollars, Visualized: A Road Trip
480,669 views - 07/13/20
There are lots of ways to compare a million to a billion, but most of them use volume. And I think that's a mistake, because volume just...
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The Abandoned Hill With Two Members Of Parliament
833,109 views - 07/06/20
Old Sarum, in Wiltshire, is a now-desolate hillfort run by English Heritage. But it was once one of the most important sites in southern...
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Why You Can Spot Bad Green Screen
2,042,729 views - 06/29/20
Green screen looks terrible sometimes. Here's why. • Get access to CuriosityStream, including Nebula and my original series, for just...
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I Asked 64,182 People About “Jingle Bells, Batman Smells”. Here's What I Found Out.
1,580,685 views - 06/22/20
Thanks to Jack from Jacksfilms on piano: https://youtube.com/jacksfilms • And thanks to everyone who answered! Sources and a data...
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The World's First Internet Bench
898,536 views - 06/15/20
In the Abbey Gardens of Bury St Edmunds, in a quiet corner of a park, sits the World's First Internet Bench. Well, sort of. It's been...
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How England's Oldest Road Was Nearly Lost Forever
715,235 views - 06/08/20
The Icknield Way, in south-east England, is a road and footpath that's been part of the landscape for millennia. But if parts of it...
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The Worst Typo I Ever Made
2,037,497 views - 06/01/20
When 'undo' won't do. • Sponsored by Dashlane, the password manager. Get a 30-day free trial at https://www.dashlane.com/tomscott • MORE...
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Ə: The Most Common Vowel in English
951,416 views - 05/25/20
"Schwa" is the most common vowel in English. Every English speaker uses it, all the time, but most people have never heard of it. •...
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Why Some Remastered Music Videos Look Awful
1,609,318 views - 05/18/20
This isn't "the way they were meant to be seen". • Join CuriosityStream, including access to Nebula and my original series, for only...
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Are There Problems That Computers Can't Solve?
1,242,217 views - 05/11/20
All about Hilbert's Decision Problem, Turing's solution, and a machine that vanishes in a puff of logic. MORE BASICS:...
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The Hidden Rules of Conversation
1,459,800 views - 05/04/20
Gricean Maxims are a vital part of how we understand each other: a set of... well, maybe "rules" is a bit strong. They're guidelines that...
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Why This British Crossroads Is So Dangerous
1,642,259 views - 04/27/20
Ipley Cross, in the middle of the New Forest, is one of the most dangerous road junctions in Britain. Why? • Thanks to Bez, whoever you...
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Why You Can't Name A File CON In Windows
2,877,455 views - 04/20/20
The short answer is "backwards compatibility". The long answer is... well, it's the rest of this video. MORE BASICS:...
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Abso-b████y-lutely: Expletive Infixation
1,124,806 views - 04/13/20
There are rules in the English language that you've probably never been taught, but you know anyway: how to split apart words with...
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This Video Has 15,342,698 Views
15,342,698 views - 04/06/20
The title of this video should change with the times. But nothing lasts forever: here's the story of how I made it work, why it used to...
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Why Dark Video Is A Terrible Blocky Mess
1,903,732 views - 03/30/20
Dark scenes in television, YouTube, and streaming platforms all look pixelated and blocky. Here's why. Animation by William Marler:...
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YouTube's Copyright System Isn't Broken. The World's Is.
2,673,070 views - 03/23/20
No copyright infringement intended. | Watch Money, my new Nebula Original series, when you join CuriosityStream for only $2.99/month:...
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Inside The Billion-Euro Nuclear Reactor That Was Never Switched On
1,405,761 views - 03/16/20
Zwentendorf Nuclear Power Plant, in Austria, was ready to go: it just needed starting up. But that never happened, and forty years later,...
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Why You Can't Buy Dasani Water in Britain
3,262,390 views - 03/09/20
Coca-Cola's brand of bottled water, Dasani, was a flop in the UK after the public realised it was just filtered tap water. But the...
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Stopping A Laser Beam In Mid-Air
1,753,500 views - 03/02/20
Lasers travel at the speed of light. You can't stop one in mid-air like Kylo Ren. Except: we just did. Here's how. • Seb's video:...
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The Country Where All Public Transit Is Free
1,080,096 views - 02/24/20
From March 1st 2020, Luxembourg will have free public transit throughout the country: you'll be able to travel on buses, trains, trams,...
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The Sentences Computers Can't Understand, But Humans Can
1,804,267 views - 02/17/20
The Winograd schema is a language test for intelligent computers. So far, they're not doing well. MORE LANGUAGE FILES:...
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Why The Dutch Headwind Cycling Championships Are Difficult And Amazing
1,249,346 views - 02/10/20
About once a year, on the Oosterscheldekering barrier in the south of the Netherlands, there is NK Tegenwindfietsen: a bicycle race...
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Why TRUE + TRUE = 2: Data Types
487,785 views - 02/03/20
INT, BOOLEAN, STRING and FLOAT: these are the things that data is made of. • Sponsored by Dashlane — for free on your first device @...
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The Bridge That's In Two Countries At The Same Time
888,450 views - 01/27/20
Schengen is a small town in Luxembourg, on the borders with France and Germany. But one of those borders is a little more complicated:...
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How To Grow A Martian Salad On Earth
257,417 views - 01/20/20
Subscribe to Aspect Science! https://www.youtube.com/channel/UCyi06SeKkiwoAzFVmQtDtfg or start with Tom's video on what would happen if a...
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How Neurosurgeons Navigate Inside The Brain
489,159 views - 01/13/20
Go subscribe to Brainbook! https://www.youtube.com/channel/UCnbPqck6c4yydPKVK0Faf6w or start with Alex's video on a day in the life of a...
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Why My Teenage Code Was Terrible: Sorting Algorithms and Big O Notation
993,653 views - 01/06/20
When I was a teenager, I wrote some terrible code. Here's why. • Sponsored by Dashlane — for free on your first device @...
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Why 2020 Started On December 30th
1,713,554 views - 12/30/19
Weird calendar edge-cases and computer bugs. It's an old-school video. • The Fasthosts Techie Test competition is now closed! Learn more...
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Why Do We Move Our Hands When We Talk?
701,148 views - 12/23/19
Gestures are a really important part of language. But how do we use them, and why? MORE LANGUAGE FILES:...
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Why The World's Littlest Skyscraper Was A Massive Scam
1,653,389 views - 12/16/19
In Wichita Falls, Texas, the Newby-McMahon Building stands 480 inches tall. Not 480 feet: 480 inches. There's a story of a smooth-talking...
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Why Electronic Voting Is Still A Bad Idea
1,782,507 views - 12/09/19
We still shouldn't be using electronic voting. Here's why. • Sponsored by Dashlane — for free on your first device @...
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Can The Words You Read Change Your Behavior?
541,236 views - 12/02/19
"Priming" is the idea that the words you read can change the way you act. And yes, there are papers that show an effect: but we also need...
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Is The World Running Out Of Helium?
1,043,958 views - 11/25/19
At the National Helium Reserve in Amarillo, Texas, the US government once stored 32 billion cubic feet of helium. There have been...
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Why The Elevator Shaft Was Invented Before The Elevator
921,182 views - 11/18/19
It sounds ridiculous, but it's true. At the Cooper Union Foundation Building in New York, there's the world's first elevator shaft:...
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I Almost Learned To Fly In The World's Only Wingsuit Tunnel
732,869 views - 11/11/19
In Stockholm, there's a diagonal wind tunnel, used for one very specific purpose: learning to fly a wingsuit. I tried. I almost managed...
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How The Netherlands Simulated The Sea Before Computers: The Waterloopbos
908,898 views - 11/04/19
"Build some models" seems obvious: but this is a story of ingenuity, of using natural resources well, and of a country that humans...
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This Video Is Sponsored By ███ VPN
2,231,742 views - 10/28/19
I tried to write a more honest VPN commercial. The sponsor wasn't happy about it. • Get ██ days of ███ VPN free at ██████.com/honest The...
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The Giant Art That Keeps Planes Quiet
1,295,242 views - 10/21/19
Next to Amsterdam Schiphol Airport is the Buitenschot Land Art Park, a giant set of ridges and furrows cut into the landscape. Yes, it's...
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Why Helsinki's Library Robots Aren't Important
900,390 views - 10/14/19
Oodi, the new Helsinki Library, has robots to help reshelve books. They get a lot of press attention. But they're not the important part...
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The Self-Driving Race Car
668,288 views - 10/07/19
I got an email asking if I wanted to be driven around the most famous racetrack in Britain by an autonomous racing car. I wasn't going to...
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Inside The Tunnels That Will Store Nuclear Waste For 100,000 Years
1,485,425 views - 09/30/19
Onkalo, on the Finnish island of Olkiluoto, is planned to be the first geologic storage facility for high-level nuclear waste: eventually...
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What Counts As The World's Shortest River?
1,284,800 views - 09/23/19
If you've been a subscriber for a while, you probably know where this one is going. Although you may still be surprised about where I...
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The Toxic Pit With A $3 Admission Fee
2,042,373 views - 09/16/19
The Berkeley Pit, in Butte, Montana, was once the richest hill on Earth: the Anaconda Copper Mine. Now: it's not all that rich, and it's...
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The Only Bit Of Louisiana's Coast That Isn't Sinking
957,728 views - 09/09/19
On a coastline that's steadily sinking under the waves, the Wax Lake Delta is rising: which is a wonderful thing for...
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Cash and Grab (with Bird Keeper Toby and Inés from Draw Curiosity)
153,358 views - 09/05/19
I'll say this about this week's Game Garage: we definitely had fun. Thanks to Toby: https://www.youtube.com/birdkeepertoby and Inés:...
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The Language Sounds That Could Exist, But Don't
2,696,439 views - 09/02/19
The International Phonetic Alphabet: one sound for each symbol, and one symbol for each sound. Except for the sounds we can't make. Pull...
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Checkpoint (with Ashens and the Polybius Heist crew)
213,955 views - 08/29/19
This game turned out a lot more stressful than we thought it would. Thanks to ASHENS and the POLYBIUS HEIST crew, you can watch their...
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I'm Not A Robot ✅
1,788,052 views - 08/26/19
What those boxes are for, and why you might not have to click them soon. • Sponsored by Dashlane —try 30 days for free at:...
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Personal Best (with dodie, Sammy Paul, Daniel J Layton and Reb Day)
301,076 views - 08/22/19
We're back! New games, same garage. Thanks to the crew from SOME LOVELY BOARD GAMES: https://www.youtube.com/watch?v=EfeCp3-_U8M Dodie:...
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Flying A Plane With Fireworks On The Wings
763,662 views - 08/19/19
Aerosparx are a British aerobatics team that perform displays with fireworks attached to their wings. This is how they do it. More about...
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The Two Generals’ Problem
3,003,760 views - 08/12/19
Time to tell a story about idempotency, computer science, and the Night of the Multiple Orders. • Sponsored by Dashlane —try 30 days for...
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Why “No Problem” Can Seem Rude: Phatic Expressions
1,779,560 views - 08/05/19
"Hello!" "Thank you!" "You're welcome!" These are all phatic expressions, and people can argue about them. Pull down the description for...
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The Fetch-Execute Cycle: What's Your Computer Actually Doing?
715,761 views - 07/29/19
The fetch-execute cycle is the basis of everything your computer or phone does. This is literally The Basics. • Sponsored by Dashlane...
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How To Stop A Colossal Bridge Corroding
1,120,921 views - 07/22/19
A decade ago, engineers found the Humber Bridge had the same problem as many of the world's suspension bridges: unexpectedly fast...
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why typing like this is sometimes okay.
1,931,568 views - 07/15/19
Language changes over time, and that's fine. Time for a dose of descriptivism, as the Language Files return. Pull down the description...
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How To Build An App: Everything You Didn't Know You Needed To Know
338,636 views - 07/09/19
Watch all 15 episodes right now: https://www.youtube.com/playlist?list=PL96C35uN7xGJu6skU4TBYrIWxggkZBrF5 • This educational series is...
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The Giant Underground Tunnels Protecting Tokyo From Floods
1,320,650 views - 07/08/19
If you believe the hype, then the Metropolitan Area Underground Discharge Channel stops Tokyo flooding. It doesn't. But it is one...
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Why You Can't Trust Me
2,137,386 views - 07/01/19
I went to a place called Coober Pedy to tell a story about water. • Sponsored by Audible: Go to http://audible.com/trustme or text...
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The World's First Solar Powered Train
705,410 views - 06/24/19
The Byron Bay Railroad Company runs the world's first 100% solar-powered train. It wouldn't work everywhere - but in the bright sunshine...
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Mr Olds’ Remarkable Elevator
1,030,711 views - 06/17/19
Olds Engineering, a traditional workshop and foundry, sits in Maryborough, Australia. It's not the sort of place you'd expect to find a...
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The One-Lane Bridge Shared By Cars And Trains
1,062,886 views - 06/10/19
Near Hindon, on the South Island of New Zealand, there's one of only two remaining one-lane road-rail bridges in the country. No...
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What Counts As The Steepest Street In The World?
1,420,943 views - 06/03/19
Baldwin Street in Dunedin, New Zealand, has the Guinness World Record for "steepest paved road over a continuous distance of more than...
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Testing A Zip Line That Goes Round Corners
1,230,501 views - 05/27/19
If you invent a new theme park or amusement ride, how do you test it to make sure it's safe? There's no Federal Bureau of Zip Lines. I...
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The Circle Visible From Space
2,195,760 views - 05/20/19
Mount Taranaki, on the North Island of New Zealand, is a large-scale circle that's visible from space: a stratovolcano with six miles of...
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The First 3D Color X-Rays
1,002,500 views - 05/13/19
At the University of Canterbury, in Christchurch, New Zealand, the team at Mars Bioimaging are using detector equipment originally...
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The Brain-Eating Amoebas of Kerosene Creek
1,932,998 views - 05/06/19
Kerosene Creek is a natural hot spring near Rotorua, on the North Island of New Zealand. And there have been official warnings for years:...
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The Hundred-Tonne Robots That Help Keep New Zealand Running
597,083 views - 04/29/19
The Ports of Auckland are automating their straddle carriers, which might not seem like much: until you phrase it as "hundred-tonne...
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The Sculpture That Looks Like A Real-Life Cartoon
3,708,739 views - 04/22/19
Gibbs Farm, in New Zealand, is an enormous private sculpture collection. Its most famous piece is Horizons, by Neil Dawson - and it looks...
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Where Two Oceans Meet, Debunked
2,240,054 views - 04/15/19
Cape Reinga, at the very northern tip of New Zealand, is known for being where the Tasman Sea meets the Pacific Ocean, where two oceans...
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I Drove My Childhood Favorite Racing Game In Real Life
716,370 views - 04/08/19
When I was a kid, I played the demo version of Need for Speed II a lot. Just the demo: it came free on a CD with a monthly computer...
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The Artificial Gravity Lab
2,022,005 views - 04/02/19
In the Ashton Graybiel Spatial Orientation Laboratory at Brandeis University, there's the Artificial Gravity Facility: otherwise known as...
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Blindfold Balancing in the Spinning Space Chair
337,904 views - 03/25/19
The Multi-Axes Rotation and Tilt Device (MART) is used for spatial orientation experiments: it's a chair balanced on a metaphorical...
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The Library of Rare Colors
934,967 views - 03/18/19
The Forbes Pigment Collection at the Harvard Art Museums is a collection of pigments, binders, and other art materials for researchers to...
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Keep It or Dump It (with Matthew, who is lovely but not internet famous)
269,397 views - 03/14/19
The final episode in this run of the Game Garage gives us a Proper Quiz: complete with all-or-nothing questions and a prize of FIVE...
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The Last Play-For-Cash Fascination Parlor
608,467 views - 03/11/19
On Nantasket Beach in the seaside town of Hull, Massachusetts, sits the last play-for-cash Fascination Parlor in the world. It's a...
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Above Average (with too many people to fit in this title)
469,406 views - 03/07/19
Today in the Game Garage, it's not about what you know: it's about what you can do. Pull down the description for the full cast and links...
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The Broken Building That Must Not Be Destroyed
1,673,351 views - 03/04/19
St Peter's Seminary sits in woodland about an hour west of Glasgow, near a village called Cardross. If you like Brutalist architecture,...
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Weight For It (with Evan Edinger and Luke Cutforth)
302,236 views - 02/28/19
Welcome to the Game Garage! A series of three new, experimental quizzes and games. Thanks today to Evan Edinger -...
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A Questionable Experiment in Motion Sickness
694,087 views - 02/25/19
Go see William Osman's video about building the car! - https://www.youtube.com/watch?v=7ZK_fnS62Lk and thanks to Michael Reeves for being...
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Why Denmark Is .23 Seconds Behind The World
2,881,245 views - 02/18/19
Measuring time is a complicated thing. Computers, banks, and stock markets in Denmark all use UTC, the international standard: but...
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How Auto-Tune Works
1,153,067 views - 02/11/19
Featuring the Gregory Brothers! Go subscribe to them: https://youtube.com/schmoyoho Pitch correction: it can make terrible singers sound...
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Slowing Down A Stock Exchange With 38 Miles Of Cable
2,187,785 views - 02/04/19
High-frequency traders have a few tactics on stock exchanges: but simply put, they gather price information faster than anyone else,...
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I Got To See And Hold My Brain
354,079 views - 01/28/19
Subscribe to Neuro Transmissions! https://www.youtube.com/user/neurotransmissions or start with their video on how to train a cat to...
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This Is Your Brain On Stale Air
1,475,747 views - 01/21/19
Subscribe to Kurtis Baute! https://www.youtube.com/channel/UCTRM8LE1g6UXrVZKwgw5oEA or start with his one-take video on the history of...
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How Knot To Hang A Painting
974,105 views - 01/14/19
Subscribe to Up and Atom! https://www.youtube.com/channel/UCSIvk78tK2TiviLQn4fSHaw/ or start with Jade's video on quantum tunnelling:...
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The Fishermen That Hold Their Breath For 10 Minutes
876,271 views - 01/07/19
Go subscribe to Medlife Crisis! https://www.youtube.com/channel/UCgRBRE1DUP2w7HTH9j_L4OQ or start with Rohin's video on why you shouldn't...
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Why NASA Spun Astronauts Around, But Doesn't Any More
1,285,892 views - 12/31/18
The Multi Axis Trainer, or MAT, is an icon of space exploration and astronaut training. But other than spinning round kids at Space Camp:...
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The Canyon That Humans Made By Accident
1,305,892 views - 12/24/18
The tourist guides promote it as Georgia's Little Grand Canyon: but this is a scar on the Earth, caused by humans either not...
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Stealing Our Friend's Brain Backup PRANK (GONE WRONG!!!) 🤯🤯🤯
253,586 views - 12/20/18
WASSUP KINGDOM, it is time to GET JACK BACK for last week. Callum has Jack's backup and it's time for some FUN. Download link:...
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The Consequences of Your Code
949,344 views - 12/17/18
This is the story of one of the best, and also one of the worst, text messages I've ever received. It's about harm, about consequences,...
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Your New Social Credit Score
624,994 views - 12/13/18
From January, every citizen of England and Wales will have a new social credit score. Advice from the Department for Community and...
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The City of Golf Carts
915,311 views - 12/10/18
Some American cities use buses, or trams, or trains. Peachtree City, Georgia, has a different solution: it's not quite public transit,...
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The Artificial Intelligence That Deleted A Century
1,145,184 views - 12/06/18
In the last week of December, 2028, humanity forgot about more than a century of pop culture. You've probably never thought about it, and...
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The Other Tree That Owns Itself
641,455 views - 12/03/18
The Tree That Owns Itself in Athens, Georgia is well known. The other Tree That Owns Itself in Eufaula, Alabama, really isn't. It's the...
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The Sweater Curse and Clothing Controversies: Citation Needed 8x06
334,290 views - 11/29/18
That's it! That's the end of the series. You made it! Congratulations! Enjoy the best mime that Matt has ever done. BONUS MATERIAL:...
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An American Stonehenge: The Mysterious Georgia Guidestones
725,999 views - 11/26/18
In a field near Elberton, Georgia, USA, sit a set of mysterious standing stones: mysterious not because they're ancient, but because they...
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Testing The World's Longest Echo
2,895,866 views - 11/19/18
Technically, the Inchindown oil tanks in Invergordon, Scotland, have the world's longest reverberation, but that makes a much worse...
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Why Computers Can't Count Sometimes
1,827,641 views - 11/12/18
Sometimes, numbers on sites like YouTube and Twitter jump up and down; subscriber counts lag, like-counts bounce all over the place. Why...
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Britain's Largest Battery Is Actually A Lake
1,147,860 views - 11/05/18
Dinorwig Power Station, otherwise known as Electric Mountain, is a pumped-storage hydro station in Llanberis, Wales. And yes: it's...
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Why Do London's Manholes Keep Exploding?
962,581 views - 10/29/18
Every month or so, somewhere in London, a manhole explodes. It's so common that it doesn't make the news unless it's spectacular or...
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