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Geoff Barrett
November 15, 2022

What Happens When A Star Explodes Near Earth?

Geoff Barrett
November 15, 2022
What Happens When A Star Explodes Near Earth?

People have witnessed supernovae for millennia, but what threat do they pose to life on Earth?

Comment
Geoff Barrett
November 3, 2022

How An Algorithm Could Have Stopped The Nuclear Arms Race

Geoff Barrett
November 3, 2022
How An Algorithm Could Have Stopped The Nuclear Arms Race

The Fast Fourier Transform is used everywhere but it has a fascinating origin story that could have ended the nuclear arms race.

4 Comments
Geoff Barrett
October 1, 2022

The Fatal Physics of Falling Objects

Geoff Barrett
October 1, 2022
The Fatal Physics of Falling Objects

The Fatal Physics of Falling Objects

2 Comments
Geoff Barrett
September 3, 2022

World's Highest Jumping Robot

Geoff Barrett
September 3, 2022
World's Highest Jumping Robot

This tiny robot can jump higher than anything else in the world.

2 Comments
Geoff Barrett
August 2, 2022

The 4 things you need to be an expert

Geoff Barrett
August 2, 2022
The 4 things you need to be an expert

Which experts have real expertise?

3 Comments
Geoff Barrett
July 22, 2022

The Scientist Who Killed Millions and Saved Billions

Geoff Barrett
July 22, 2022
The Scientist Who Killed Millions and Saved Billions

Fritz Haber is the scientist who arguably most transformed the world. Part of this video is sponsored by Wren.

1 Comment
Geoff Barrett
July 5, 2022

The Riddle That Seems Impossible Even If You Know The Answer

Geoff Barrett
July 5, 2022
The Riddle That Seems Impossible Even If You Know The Answer

The 100 Prisoners Riddle feels completely impossible even once you know the answer.

2 Comments
Geoff Barrett
June 2, 2022

The Absurd Search For Dark Matter

Geoff Barrett
June 2, 2022
The Absurd Search For Dark Matter

Astronomers think there should be 5 times as much dark matter as ordinary matter – a shadow universe that makes up most of the mass in the universe. But after decades of trying, no experiments have found any trace of dark matter – except one.

Comment
Geoff Barrett
May 12, 2022

A Picture of the Milky Way's Supermassive Black Hole

Geoff Barrett
May 12, 2022
A Picture of the Milky Way's Supermassive Black Hole

A Picture of the Milky Way's Supermassive Black Hole

2 Comments
Geoff Barrett
May 5, 2022

How Electricity Actually Works

Geoff Barrett
May 5, 2022
How Electricity Actually Works

This video is sponsored by Brilliant. The first 200 people to sign up via https://brilliant.org/veritasium get 20% off a yearly subscription.

3 Comments
Geoff Barrett
April 22, 2022

The Man Who Accidentally Killed The Most People In History

Geoff Barrett
April 22, 2022
The Man Who Accidentally Killed The Most People In History

Massive thanks to Prof. Francois Tissot for suggesting we make a video on the topic of isotope geochemistry. Huge thanks to Prof. Bruce Lanphear for consulting with us on lead and cardiovascular diseases.

6 Comments
Geoff Barrett
March 30, 2022

How Horses Save Humans From Snake Bites

Geoff Barrett
March 30, 2022
How Horses Save Humans From Snake Bites

To make antivenom, you first need to collect venom from the world’s most deadly snakes.

Comment
Geoff Barrett
March 2, 2022

We're Building Computers Wrong

Geoff Barrett
March 2, 2022
We're Building Computers Wrong

Digital computers have served us well for decades, but the rise of artificial intelligence demands a totally new kind of computer: analog.

2 Comments
Geoff Barrett
December 21, 2021

The Most Powerful Computers You've Never Heard Of

Geoff Barrett
December 21, 2021
The Most Powerful Computers You've Never Heard Of

Analog computers were the most powerful computers for thousands of years, relegated to obscurity by the digital revolution.

4 Comments
Geoff Barrett
December 2, 2021

The Guy Who Figured Out How Snowflakes Work

Geoff Barrett
December 2, 2021
The Guy Who Figured Out How Snowflakes Work

Dr Ken Libbrecht is the world expert on snowflakes, designer of custom snowflakes, snowflake consultant for the movie Frozen - his photos appear on postage stamps all over the world.

2 Comments
Geoff Barrett
November 30, 2021

Most People Don't Know How Bikes Work

Geoff Barrett
November 30, 2021
Most People Don't Know How Bikes Work

Why are bicycles stable? The most common answer is gyroscopic effects, but this is not right.

4 Comments
Geoff Barrett
November 19, 2021

The Big Misconception About Electricity

Geoff Barrett
November 19, 2021
The Big Misconception About Electricity

The misconception is that electrons carry potential energy around a complete conducting loop, transferring their energy to the load.

20 Comments
Geoff Barrett
November 1, 2021

This Problem Broke Math (and led to Quantum Physics)

Geoff Barrett
November 1, 2021
This Problem Broke Math (and led to Quantum Physics)

A general solution to the cubic equation was long considered impossible until we gave up the requirement that math reflect reality.

2 Comments
Geoff Barrett
October 27, 2021

The Physics Question I Needed A Helicopter To Solve

Geoff Barrett
October 27, 2021
The Physics Question I Needed A Helicopter To Solve

The story of a controversial physics question on the qualifying exam for the 2014 US Physics Olympiad team. How does a uniform cable beneath a helicopter hang?

2 Comments
Geoff Barrett
October 16, 2021

This Robot Walks, Flies, Skateboards, Slacklines

Geoff Barrett
October 16, 2021
This Robot Walks, Flies, Skateboards, Slacklines

This is a #robot that walks, flies, #skateboards, #slacklines, and might do much more one day.

3 Comments
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