Topic: energy

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Driving on Air: Inventor Raul Oaida and his LEGO car

From The Adaptors, Flora Lichtman talks with 21 year old Romanian inventor Raul Oaida, who has built a jet-engine bike, a tiny spaceship, and a 500,000 brick LEGO car that is powered by air. How does it work? "We h...

Crash Course Kids: Gotta Eat! and Feed Me: Classifying Organisms

Why do we eat and how does what we eat help classify what we are? In these first two episodes from Crash Course Kids, Sabrina explains why all living things eat. Also, try the simple energy source experiment in episod...

NASA: Satellite Tracks Saharan Dust to Amazon in 3-D

Watch 182 million tons of dust ride the wind out of Africa's Sahara Desert in 3D, as tracked from 2007 through 2013 by lidar, thanks to CALIPSO, the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation sa...

Physics Girl: The Stacked Ball Drop (and Supernovas)

How is a supernova like a basketball, a bouncy ball, and a golf ball all stacked together? It's all in what happens when you drop them. In this video, Physics Girl Dianna Cowern demonstrates the momentum transfer betw...

Turn human waste into drinking water – Janicki Omniprocessor

"The water tasted as good as any I’ve had out of a bottle. And having studied the engineering behind it, I would happily drink it every day. It’s that safe." This huge, potentially game-changing machine, invented ...

How to Make the World’s Simplest Electric Toy Train

How to make the World's Simplest Electric Toy Train from the Amazing Science YouTube channel, a super delightful science experiment that will wow kids, friends, family, science classes... pretty much everyone on the p...

Dead stuff: The secret ingredient in our food chain

When you picture the lowest levels of the food chain, you might imagine herbivores happily munching on lush, living green plants. But this idyllic image leaves out a huge (and slightly less appetizing) source of nouri...

It’s Okay to Be Smart: Where Do Birds Go In Winter?

Where do birds go for the winter, and when did we first figure out where they were disappearing to every year? Do they go to the moon, or are they off to fight battles with goat-riding armies? (Spoiler alert: Those th...

Physics Girl: How to make a Crazy Pool Vortex

Have a plate, a pool, and some food coloring? In this experiment, Physics Girl Dianna Cowern makes strange black circles form by briefly dragging a plate through the pool. On a sunny day in still water, those black ci...

CYMATICS: Science + music = audio frequency visualizations

With help from a Chladni Plate, vibrating liquid on a speaker dish, a hose pipe optical trick, ferrofluid, a Ruben's Tube, and a Telsa Coil, New Zealand musician Nigel Stanford showcases audio frequency visualizations...

To the Scientists of the Future: Materials science with EUPHRATES

Created by EUPHRATES and Masahiko Sato for Japan's National Institute for Material Science (NIMS), these three "To the Scientists of the Future" short films are a mesmerizing combination of materials research innovati...

Journey of Two

Animator and illustrator Joshua Mulligan explores his detailed, hand-drawn animation style in this dreamlike moment between two retro-futuristic friends. A graduate of Detroit’s College for Creative Studies, Mulligan ...

A pendulum wave demonstration with bowling balls

Thanks to these 16 bowling balls hung from a 20 foot wooden frame in the mountains of North Carolina, we can see what a large-scale pendulum wave apparatus looks (and sounds) like. Filmed by Maria Ikenberry, she also ...

Fourth graders create a solar powered classroom

When Aaron Sebens started talking about renewable energy with his fourth grade class, they kept coming back to their excitement about solar power and making it a more hands-on learning experience. How might they move ...

Why aren’t we only using solar power?

Solar power is cleaner, more sustainable, and in many cases, less expensive than coal-fueled power plants, so why aren't we only using solar power? Beyond the business and infrastructural challenges, TED Ed outlines s...

The Iron Genie Harmonograph

Watch artist Anita Chowdry's Iron Genie Harmonograph create intricate, spirograph-like drawings. Made of steel, it was inspired by mid-19th century harmonographs and St. Pancras Station's Victorian engineering. The vi...

ExpeRimental: Homemade Lava Lamp & Rubber Band Cannons

Explore the densities of liquids and household objects with Olympia Brown and her daughter Viola. This is episode two of ExpeRimental, a new science-at-home series by the Royal Institution of Great Britain that aims t...

The Solar Do-Nothing Machine by Charles and Ray Eames

Designed by husband and wife team Charles and Ray Eames, this is the Solar Do-Nothing Machine, a whimsy-maker of sorts, but also "one of the first devices to convert solar energy to electricity. The Eames office asked...

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