Topic: science

Sort: Date | Title | Sort Ascending
View:

Hydrodynamic Levitation

Light balls, disks, and cylinders will levitate on a stream of water in a surprisingly off-center way. In this episode of Veritasium, Derek Muller teams up with Blake from InnoVinci, with some help from aerospace engi...

What is Symmetry in Physics?

Symmetry is vital to understanding and predicting how our universe works. The relationship between symmetry and the mechanics of the universe is fundamental to physics. From Noether’s theorem to the new and exciting w...

The power of creative constraints – TED Ed

Imagine you were asked to invent something new. It could be whatever you want, made from anything you choose, in any shape or size. That kind of creative freedom sounds so liberating, doesn’t it? Or ... does it? if yo...

The Case For Eating Bugs

Ants on a log, sautéed grasshopper tacos, scorpion curry, larva lollipops. Eating insects (and arachnids) is called entomophagy and it's practiced by two billion people around the globe, "including North, Central, and...

How Ingenious Animals Have Engineered Air Conditioning

Termites, prairie dogs, and people are all great builders, each in their own way. We all share one crucial problem: Put a bunch of us in a closed space, breathing oxygen in, breathing CO2 out... it doesn't end well. ...

Inside Montreal’s Zero Waste Urban Greenhouses

Hydroponics, growing plants without dirt, can be an efficient, technology-driven farming system that can deliver fresher, healthier, and less expensive foods to city customers. In this episode of Stereokroma's Où se t...

Sandwich Bag Fire Starter

The intensity of sunlight on Earth is about 1300 Watts per square meter. When you focus the sun's rays using a magnifying glass (or in this case sphere of water) you can increase the intensity roughly ten thousand fol...

Pharaoh cuttlefish expertly mimic hermit crabs

Camouflage is common in cephalopods like squid, octopuses, and cuttlefish, but these pharaoh cuttlefish, hatched in a lab for a University of Ryukyus study led by Kohei Okamoto, camouflage in a surprising way: They pr...

A Japanese ‘Pythagoras Switch’ Rube Goldberg Machine for charity

This awesome Pythagora Switch / Pitagora Suitchi clip launches with a table tennis serve and takes off into chain reactions and table top engineering wonders galore. See ping pong balls, tape rolls, marbles, and metal...

The world’s largest collection of whale bones

The world's largest collection of whale bones—sperm whale, gray whale, massive blue whales—and a bunch of ancient whale fossils from extinct species are stored in this warehouse in Maryland. It's a whale bone warehous...

How dead is the Great Barrier Reef?

Australia's Great Barrier Reef is the largest coral reef system in the world and the only living structure visible from space. Although ecosystem managers in Australia have worked hard to preserve the reefs, the past ...

Chaser, the Border Collie that can understand 1022 words (or more)

Border Collies are known to be super smart and disciplined dogs that can take detailed verbal commands while herding sheep and performing other helpful tasks. How many verbal commands can they understand? This demonst...

Why don’t perpetual motion machines ever work?

Perpetual motion machines — devices that can do work indefinitely without any external energy source — have captured many inventors’ imaginations because they could totally transform our relationship with energy. Ther...

Fly over Jupiter with NASA’s Juno spacecraft

NASA's Juno Spacecraft is investigating Jupiter in a series of 37 orbits, and though images, data, and samples, these remarkable flybys have revealed some very cool things: 900 mile wide cyclones at the planet's poles...

MetaLimbs: Extra robot arms that you control with your feet

What if you were given two extra robot arms to use? Could you open a closed door when your hands are full? Could you paint or build something faster or more efficiently? Might you become a master juggler? This Inami H...

Dr. Sylvia Earle, world-renowned oceanographer and explorer

If there is unofficial royalty in the field of science, little doubt exists that 81-year-old oceanographer Dr. Sylvia Earle claims one of the highest ranks... Her stories sound like biology class fairy tales—she's liv...

A window into ladybug wing origami

Beneath a ladybug's red shell, the spotted elytra that it's known for, the beetle's hind wings are efficiently folded until it wants to take off and fly. When it lands, the wings simply fold back up into a protected p...

DIY Ferrocell: How to make a magnetic field viewer

By squishing a mix of mineral oil and ferrofluid between two sheets of glass, diligently squeezing out the air bubbles, sealing the edges, and then lighting it with a LED strip, Magnetic Games has created a DIY magnet...

« Prev