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Curated by: The Action Lab (1020 videos)

Currently Playing: This Device Shrinks Objects in Real Life

I show you how an optical taper works and why it still doesn't break the conservation of etendue.

Tracks in this Playlist

The Sun Is the Wrong Color
This Ring of Plasma Could Change the World
Why the Universe Forbids Perfect Balance
Virtual Particles: The Particles That Aren’t Real
Can You Cook a Chicken by Shaking It?
CERN Built the Opposite of an Atomic Bomb
This Strange Wave Changed Physics Forever
The Weird Connection Between Saliva and Quantum Physics
I Charged My Phone With a Candle
The Night Sky Should Be Brighter Than the Sun
The Robot Hand That Can Grab Anything
I Tried the World's Strangest Fireworks
Why Freezing Things Keeps Them From Freezing
I Tested the Limits of Friction and Found a Paradox
This Engine Runs On Sunlight
I Made The World's First Self-Cooling Clothes
What Happens When You Let the Air Out?
How Newton’s Bucket Changed Physics Forever
The Strange Physics Behind the Oberth Effect
This Tiny Engine Explains Entropy
Gravity Assists Are Basically Free Energy
How To Eliminate Gravity
The Hourglass Paradox Nobody Agrees On
I Broke The Angle of Repose
This Simple Wave Explains Quantum Mechanics
I Built Feynman's Reverse Sprinkler To Solve a 140 Year Old Mystery
The Weirdest Result of Relativity You’ve Never Heard Of
What Is The Speed of Surface Tension?
The Weird Physics of Adding Cream to Coffee
How Salt Fingering Helps The Oceans
How Can Something Fall Faster Than Gravity?
This Laser Can Hear You Talk
This Ice Cream Trick Feels Impossible
How Does Light Spin Without Spinning?
We Just Discovered Why Light Does This
An Optical Navigation System Better Than GPS
The Accidental Discovery That Changed Physics
Why AC Electricity Doesn’t Behave the Way You Think
Is The Sum Of All Positive Numbers Really -1/12?
The Strange Limit of Frictionless Motion
The Hidden Danger Inside Every Candle
The Mystery Of The Chirping Balls
How Does Bent Time Make Gravity?
The Mystery Einstein Couldn’t Solve: The Mott Problem
The Chemical That Turns Everything Black
Do What The Fire Says…
Can A Burning Bush Talk In Real Life?
Why Is This Liquid Attracted To Blood??
Why Pulleys Are Weirder Than You Think
Why Do Grains Defy Gravity?
Add This To Water To Make It Not Splash!
Chickens Are Weirder Than You Thought
Only Geniuses Can Solve This Buoyancy Riddle
Can Power Lines Really Light a Bulb in Your Hand?
Do People Actually Jump Farther While Holding Weights?
Scientists Just Found Why Electrified Drops DON'T Splash
Volumetric 3D Printing Is REALLY FAST
Is The Wobbly Table Theorem Ever Wrong?
Why Don't Liquids Splash In a Vacuum?
Is a Three-Sided Coin Possible?
This Device Shrinks Objects in Real Life
This Liquid Freezes Around Magnets
The Experiment That Proved Static Electricity Has a Memory
Can You Cook Food With Heat Pipes?
Can Opening the Refrigerator REALLY Cool Down Your Room? (Midea Duo smart inverter portable AC)
The Weird Science of Cold Balls
Can You Fill a Shape That Has No Inside?
The bounciest ball
Can You See X-Rays In a Cloud Chamber?
How to Convert Mass into Energy at Home
What If You Actually Had Eyes in the Back of Your Head?
Can You Control Lightning with Sound?
This Is What It Looks Like When Atoms Collide
The Strange Physics of Spinning Pancakes
Breathing Through The World's Longest Snorkel (With the Beatbot Auquasense 2 Ultra)
This Material Gets Bigger When You Squish It
How Much Liquid Nitrogen Would It Take to Freeze a Terminator?
Do Electrons Really Have "Intrinsic" Angular Momentum?
The Experiment That Proved Atoms Are Mostly Empty Space
The Strange Magnetism of Bismuth: It Shouldn’t Work, But It Does
Your Smartphone Can Make 3D Holograms!
Is Fire Conductive Enough To Get Shocked?
How Glass Breaks All the Rules of Insulation
Drinking The World's Highest Pressure Soda
Poisson's Spot on The Darkest Ball In The World
How To Shine Light Through Solid Metal
A feather and a cube fall at the same rate
The Evaporation Problem That Most People Get Wrong (3i S10 Ultra)
Newton’s Cradle Doesn’t Work the Way You Think
Throwing a -346°F Snowball Made of Solid Nitrogen
Opening a bottle of liquid nitrogen under water
How This Autonomous Liquid Metal Finds Its Way Through Mazes
Can a Red-Hot Mirror Still Reflect an Image?
How Hot is Light? How Lasers Bend the Rules of Heat Transfer
The World's First Omnidirectional Screen
This Ancient Technology Makes Things Spin Really Fast!
Diamond vs Lava
Why Do Some Liquids Flow Up? The Mysteries of Shear-Thinning Fluids
The Secret Behind the World’s Fastest Card Thrower
How Superconductors Turn Matter Into Waves