Topic: electricity

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How Do Sharks and Rays Use Electricity to Find Hidden Prey?

Imagine if you had six traditional senses instead of five: Sound, sight, touch, smell, taste and... What might you pick? Echolocation? Magnetoreception? How about electroreception? Sharks, rays, skates and sawfish...

Hula hoop dancer Lisa Lottie spins 6 glowing LED hula hoops

Watch hula hoop dancer Lisa Lottie perform a light-filled hoop routine with six LED hula hoops by SpinFX, whose professional level hoops can show off words, patterns, and graphics while being spun, similar to Monkey L...

EV acceleration world record – 62 mph (100 km/h) in 1.779 seconds

This tiny electric vehicle, built by GreenTeam Uni Stuttgart e.V. from the University of Stuttgart, set a new Guinness World Record for acceleration of an EV when it reached 62 mph (100 km/h) in just 1.779 seconds. Fr...

Slow motion lightning over South Dakota at 2,000 fps

From ZT Research's Tom A. Warner, watch this high speed video of lightning, filmed during a storm over South Dakota: My daughter got some nice high-speed camera captures of lightning while I drove. We chased a s...

How do batteries work?

If you've ever used a flashlight, or changed the channel with a remote control, if you've ever recharged your electric car, or if you're reading this on a smart device, then you know how useful batteries can be. But h...

Anodizing Titanium – “The Rainbow Metal”

Titanium is nicknamed "The Rainbow Metal" in some jeweler circles because it can be anodized in an electrolyte solution to produce a variety of colors. The colors are created by passing electricity through it to produ...

What happened to the Milky Way?

What do you see in the night sky where you live? Can you see the Milky Way -- that glowing, star-filled band of light that stretches across the sky? What happened to the Milky Way? The Atlantic Video team explores...

Dancing Paper, 8bit Harmonica, and Musical Umbrella by Ugoita

The next time we start folding origami cranes, we're going to be tempted to give them legs and little magnetic feet. This is Dancing Paper, a project by multimedia artist Ugoita. Watch as the cranes dance with synchro...

The Electric Sausage: A static electricity demonstration

Perhaps you've experimented with static electricity by using a balloon, paper clippings, your hair, a pencil, a plastic bag, or a Van de Graaff Generator... but have you ever used a sausage to see static electricity i...

ATLAS Unplugged: Boston Dynamics’ battery-powered robot

Rebuilt from earlier versions of the ATLAS robot in preparation of June 2015's DARPA Robotics Challenge Finals, a $2 million competition to demonstrate the very best in disaster response by a human-supervised robot, t...

The Ring of Truth: Two Hydrogen Atoms & One Oxygen Atom

Possibly the most well-known scientific formula on the planet, H2O is one of those terms that we see around all the time. We know that H2O means water, and that a water molecule is composed of two hydrogen (H) atoms &...

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...

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...

Cirque du Soleil: SPARKED

In Sparked, a late-working electrician finds himself surrounded by the magical glow of flying lampshades. Thanks to the state-of-the-art technology behind ten quadcopter actors, the story was performed live with preci...

MIT’s electric cheetah-bot runs offleash

Quiet, efficient, and powerful: MIT's robotic cheetah has a "custom-designed, high-torque-density" electric motor, and can run and jump around without being tethered to an external power source. It's also looking ...

Circuit Playground: F is for Frequency

Who better than a talking oscilloscope to explain what frequency is and why it's so important for radio and sound waves! Come learn with ADABOT in this episode of Circuit Playground: F is for Frequency.

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 ...

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