The Action Lab

Is It Possible To Completely Fill a Klein Bottle?

Gömböc—The Shape That Shouldn't Exist

The Greedy Cup Has Become Even More Devious

What Does a 4D Ball Look Like in Real Life? Amazing Experiment Shows Spherical Version of Tesseract

Can an Umbrella Made of Water Stop the Rain?

Chickens Are Weirder Than You Thought

How Does This App Blow Out Candles?

Can You Drink With a Hydrophobic Straw?

Intro

Hitting Earth with a Grain of Sand Going 99.9% the Speed of Light

I Melted Wood With Friction

How Hard Is It To Freeze Flowing Water?

How To Stop The Greedy Cup

Why Water Boils In Tall Cups

Amazing Experiment Actually Makes Black Fire! The Shadow Fire Experiment

I Finally Discovered Perpetual Motion

The Darkest Clothing In The World

This Ice Cream Trick Feels Impossible

Can Flies Actually Fly in a Vacuum Chamber?

How Long Does The Forever Pen Really Last?

This Tesla Valve Straw Only Works In One Direction

This Weird Shape Rolls Uphill Instead of Down

Hydrophobic Projectiles Slice Through Water With No Drag

Is It Really Impossible To Breathe Through a Tube Underwater?

Does 100% Pure Water Have a Taste? Drinking Type II Deionized Water Experiment

This Material Gets Bigger When You Squish It

How Does The Space Cup Work?

Warning: DO NOT TRY—Seeing How Close I Can Get To a Drop of Neutrons

How to Make a Quantum Tunnel In Real Life

What Happens When a White Hole and a Black Hole Collide?

What If You Put Nutella In a 3d Printer?

Trying To Drink From The World's Longest Straw

What Does a Fan Do in a Vacuum Chamber? Weird Results

I Built An Entire Room Made Completely Out of Mirrors!

A Ball That Bounces Higher Than Its Drop Height

This Mysterious Material Moves Around on Your Hand

Are Steel Ice Cubes Better Than Regular Ice?

Filling an Air Mattress With Helium to See if I Can Float!

Is The Wobbly Table Theorem Ever Wrong?

Shining an IR Flashlight Through My Face and Body

What Does It Look Like INSIDE a Spherical Mirror?

What It's Like to Drive on Other Planets

Does Concrete Turn to Dust in a Vacuum Chamber? Concrete Without Oxygen Experiment

Is It Possible to Melt Wood in a Vacuum Chamber? The Wood Distillation Experiment

Running Off A Vehicle Backwards At The Same Speed That It Is Driving Forward!

Quantum Locking Will Blow Your Mind—How Does it Work?

Opening a Bottle of Liquid Nitrogen Under Water!

Small Scale Test

Painting My Entire Room With The World's Brightest Paint...Then Turning on a 100,000 Lumen Light!

What Happens if You Focus a 5W Laser With a Giant Magnifying Glass? Negative Kelvin Temperature!