
Why You Should Care About Nukes
Cool physics and other sweet science - all in a few minutes!
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Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Learn and try to balance.

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Watch and learn how we detect exoplanets.

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Should you take the bet?

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Henry explains the shape of stars.

A collaboration with RadioLab

Thanks to Max Tegmark for writing & narrating this video.

This cool trick allows you to see without glasses.

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

Explanation of a NEW DISCOVERY about the Big Bang!

How do Modern Light Bulbs Work?

Cool physics and other sweet science - all in a few minutes!

Cool physics and other sweet science - all in a few minutes!

Why winter has the best full moons .

When we say Mt. Everest is 8850m tall, how do we know what sea level would be beneath the mountain?

Henry looks at 6 ways to Time Travel.

A look at diamagnetism and levitation.

Magnets are amazingly strong... but there's a very easy way to destroy them. All you need to know is a little bit about ferromagnetism, para...

Why do they attract and repel at long distances? Is it magic? No... it's quantum mechanics, and a bit more.