Why You Should Care About Nukes

Aliens: Are We Looking in the Wrong Place?

Transporters and Quantum Teleportation

The Limb of the Sun

How Do We Know What Air is Like on Other Planets?

Concrete Does Not Dry Out

How To Discover Weird New Particles | Emergent Quantum Quasiparticles

Why December Has The Longest Days

The Physics of Car Crashes

Why Isn't It Faster To Fly West?

Why Do We Put Telescopes in Space?

Why It's Impossible to Tune a Piano

How Long Can You Balance a Pencil?

Learn and try to balance.

A Brief History of Everything, feat. Neil deGrasse Tyson

The Counterintuitive Physics of Turning a Bike

How Do Bikes Stay Up?

How To Detect A Secret Nuclear Test

Upside Down Mountains in Real Life

Why Raindrops Are Mathematically Impossible

How to Find an Exoplanet

Watch and learn how we detect exoplanets.

How to Subtract By Adding

How Big is The Sun?

How Do Airplanes Fly?

Computer Color is Broken

What IS Angular Momentum?

Astronomically Correct Twinkle Twinkle

A Simple Proof of Conservation of Energy

How An Airplane Is Made

Why is it Harder to Drive Backwards?

Solution to The Impossible Bet

An Impossible Bet

Should you take the bet?

Why Isn't The Sky Purple?

This is Not a Rainbow

Why is the Sun Yellow and the Sky Blue?

Antimatter Explained

Why are Stars Star-Shaped?

Henry explains the shape of stars.

Pot Theft (A Radiolab Adventure)

A collaboration with RadioLab

Is the Universe Entirely Mathematical? Feat. Max Tegmark

Thanks to Max Tegmark for writing & narrating this video.

How to See Without Glasses

This cool trick allows you to see without glasses.

When Insanity Becomes Normal - Venezuela

This has nothing to do with physics, but I thought it was important so I made a video about it: uprisings in Venezuela.