keyboard_arrow_up

Electromagnetic Levitation Quadcopter

AdultsPhysicsTechnologyEngineeringScience
Spinning magnets near copper sheets create levitation!

How do animals experience pain?

AdultsAnimalsBiologyHealth
Humans know the surprising prick of a needle, the searing pain of a stubbed toe, and the throbbing of a toothache. We can identify many types of pain and have multiple ways of treating it - but what about other species?

This Terrifying Worm Snatches Fish from the Ocean Floor

AdultsAnimalsNatureOceanWildlife
Sand strikers, also known as bobbit worms, are primitive-looking creatures that lack eyes, or even a brain. Despite this, they are savage predators who shoot out grapple-like hooks to reel in passing fish.

Popping Popcorn at 30,000 FPS

AdultsFilmFoodTechnologyEntertainmentScience
Popping Popcorn at 30,000 Frames Per Second Filmed in Ultra Slow Motion Macro with the Phantom v2512 Ultra High Speed Camera.

The Real Moral Dilemma of Self-Driving Cars

AdultsSelf-Driving CarsTechnologyTransportationAutomotive
We talk about all the potentially challenging situations autonomous cars could get into but not about how human drivers are not very good.

Hydrogel: The Future Of The 'Smart Band-Aid'

AdultsScienceTechnologyHealthBiotechnology
Engineers at MIT have found a way to prevent hydrogels from dehydrating.

Is Hand Sanitizer Actually Bad For You?

AdultsBiologyHealthScience
Should you stop using hand sanitizer?

A brief history of numerical systems

AdultsHistoryMath
1, 2, 3, 4, 5, 6, 7, 8, 9... and 0. With just these ten symbols, we can write any rational number imaginable. But why these particular symbols? Why ten of them?

How to master your sense of smell

AdultsBiologyHumanScienceHealth
Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible only for sniffing out gas leaks.

Look Into The Future With These Stylish AR Glasses

AdultsFutureGadgetsTechnology
These augmented reality glasses are a standalone computer.

How An Igloo Keeps You Warm

AdultsConstructionScienceArchitecture
Building a perfect igloo takes cool science!

Would you sacrifice one person to save five?

AdultsLifePhilosophySociety
Imagine you're watching a runaway trolley barreling down the tracks, straight towards five workers. You happen to be standing next to a switch that will divert the trolley onto a second track.

The Absurdity of Detecting Gravitational Waves

AdultsPhysicsTechnologyScience
A head-vaporizing laser with a perfect wavelength detecting sub-proton space-time ripples.

m&m's Dissolving in Water - 4K

AdultsFilmFoodScienceEntertainment
We dropped m&m's chocolate in water and discovered something really wonderful!

Why Doesn't Time Flow Backwards?

AdultsPhysicsScience
Thanks to Google Making and Science for supporting this series, and to Sean Carroll for collaborating on it!

Why do airlines sell too many tickets?

AdultsEconomyMathTransportationBusinessSociety
Have you ever sat in a doctor's office for hours, despite having an appointment?

Post-Truth: Why Facts Don't Matter Anymore

AdultsPhilosophySocietyPoliticsMedia
Why we can't seem to agree on what's true when it's easier than ever to check.

Laser Cleaning

AdultsBusinessTechnologyEngineering
High power laser cleaning for rust removal, paint removal, heavy contamination... with the P-Laser QF-1000.

Forget Oxygen-This Leaf Produces Medicine

AdultsHealthNatureTechnologyBiotechnologyScience
This artificial leaf creates medicines using sunlight.

Why are we so attached to our things?

AdultsHumanSelfSocietyPsychologyRelationships
After witnessing the "violent rage" shown by babies whenever deprived of an item they considered their own, Jean Piaget - a founding father of child psychology - observed something profound about human nature: Our sense of ownership emerges incredibly early.

Can you solve the counterfeit coin riddle?

AdultsCreativityMathProblem-Solving
You're the realm's greatest mathematician, but ever since you criticized the Emperor's tax laws, you've been locked in the dungeon.