The Higgs Mechanism Explained

How to Build a Black Hole

100 Years of Relativity + Challenge Winners!

5 Ways to Stop a Killer Asteroid

Challenge: Can You Save Earth from a Killer Asteroid?

Why Haven't We Found Alien Life?

Is the Alcubierre Warp Drive Possible?

Have Gravitational Waves Been Discovered?!?

5 REAL Possibilities for Interstellar Travel

The Speed of Light is NOT About Light

What Happens at the Edge of the Universe?

Does Dark Matter BREAK Physics?

Watch THIS! (New Host + Challenge Winners)

Do Events Inside Black Holes Happen?

Challenge: Which Particle Wins This Race?

What Physics Teachers Get Wrong About Tides!

General Relativity & Curved Spacetime Explained!

SPECIAL ANNOUNCEMENT + Flat Spacetime Geometry Comments

Can You Trust Your Eyes in Spacetime?

The Leap Second Explained

Curvature Demonstrated + Comments

Can a Circle Be a Straight Line?

The Calendar, Australia & White Christmas

How to Signal Aliens

Challenge: What Happens to a Helium Balloon in Freefall?

Is Gravity an Illusion?

Habitable Exoplanets Debunked!

The Real Meaning of E=mc²

9 NASA Technologies Shaping YOUR Future

Should the First Mars Mission Be All Women?

What's the Most Realistic Artificial Gravity in Sci-Fi?

Are Space and Time an Illusion?

Could NASA Start the Zombie Apocalypse?

How to Weigh a Fart

Could You Fart Your Way to the Moon?

Is the Moon in Majora's Mask a Black Hole?

Cosmic Microwave Background Explained

Can a Starfox Barrel Roll Work in Space?

What Will Destroy Planet Earth?

Should We Colonize Venus Instead of Mars?

How Do You Measure the Size of the Universe?

Is It Irrational to Believe in Aliens?

What Planet is Super Mario World?