How Long Can You Balance a Pencil

The moon may be 1.3 light-seconds away, but why on earth do we measure distances using time?

How do we know what the air is like on planets we haven't visited? This video explains how to see air from 150 light years away. Thanks to NASA's James Webb Space Telescope project at the Space Telescope Science Institute for supporting...

How Big Is The Sun?

This video is about the orbital mechanics of why it's so hard to crash into the sun - the energy it takes to get there is astoundingly high, compared with leaving the solar system.

Guns in Space

This video is about gravitational waves in the weak field limit as discovered by the LIGO collaboration, explained by parallels to electromagnetic radiation, sound waves, water waves, etc. I want to see Cat LIGO ASAP!

Evolution vs Natural Selection

In which we explain economic equilibrium, how to make money from nothing, and every fundamental force in physics.

Ever wonder how Einstein proved E=mc2? This is how. Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old

You've heard of E=mc2... but you probably haven't heard the whole story.

Neil deGrasse Tyson was asked by the Templeton Foundation to answer the question "Does the Universe Have a Purpose". Then he read his answer aloud and I drew some pictures for it.

Do We Expand With The Universe

Concrete doesn't dry - it sets!

Computer Color is Broken

This video is about the famous 'Twins paradox' of special relativity, how time can appear to be faster for two different observers at the same time, and which twin really is older (or younger) - the one who stays on earth or the one who...

Einstein didn't like quantum mechanics because it wasn't able to make perfect predictions... but science is not about what you like, it's about what's true!

Antimatter Explained

Another Physics Misconception

Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old.

How do we know atoms exist? And just how big are they? Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old.

A Polarizing Discovery About the Big Bang!

What was the 2012 Nobel Prize in physics given for? Capturing a single photon of light!

Immovable Object vs. Unstoppable Force - Which Wins