Topic: energy

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L’orchestre d’hibernation animaux and how animals hibernate

A flute playing wood frog who freezes. A bassoon blowing painted turtle who (ahem) breathes through its butt. A trumpet blasting common poorwill who falls asleep anywhere, anytime. A harp plucking mosquito who goes in...

The Engineering of the Drinking Bird

How is a drinking bird like a heat engine? In this video from Engineer Guy Bill Hammack, we can see how this famous drinking/dipping bird toy "exploits a temperature difference to convert heat energy to a pressure dif...

The surprising interactions between copper and neodymium magnets

Experiments with super strong neodymium magnets and copper! These surprising demonstrations of magnetic damping go beyond the magnet through a copper tube demo that we've previously seen. Watch as Night Hawk in Light ...

Powered by Poop at the Straus Family Creamery

Farms around the world are embracing sustainable practices and circular economy models that can help fuel and fund their farming as a part of the business. In this Flipside Science video from the California Academy of...

Nowhere and Everywhere at the Same Time, No. 2

Swinging plumb bobs hang in a gridded formation across a large room as visitors attempt to walk among them without making contact. The installation, Nowhere and Everywhere at the Same Time, No. 2 by William Forsythe, ...

Homemade marble track demonstrations by science teacher Bruce Yeany

Science teacher Bruce Yeany uses this collection of physics marble tracks to introduce and reinforce his students' ideas about perpetual and kinetic energy, motion, acceleration, inertia, and more. The tracks—stringle...

How a failed invention lead to a potentially life-saving new idea

Inventor Hahna Alexander spent years developing an idea that people said they really liked: Shoes that generate power as you walk, making it possible to charge a battery with them. But after starting a company and tes...

How do solar panels work?

The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 times more power than the planet’s population uses. So is it possible that one day the world could be completely reliant on solar energy? ...

Engines of Destruction: The Science of Hurricanes

Harvey, Irma, Jose, Katrina, Maria, Sandy. Hurricanes have been major news stories in 2005 and 2012, and continue to be in 2017, starting in August when Harvey crossed the Caribbean and made landfall in Texas. What ca...

You’re A Firework (Scientifically Speaking)

"You have more in common with a firework than you might think. The same process that powers those explosions is going on inside a grill when you cook a hot dog, and inside your body when you eat that hot dog." Sku...

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...

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...

An ‘Awesome’ 360° View At America’s First Offshore Wind Farm

At 5:30am on May 1, 2017, the Block Island Wind Farm replaced a local diesel generating plant and became America's first offshore wind farm. According to Business Insider, "it will emit about 40,000 fewer tons of gree...

J is for Joule – Circuit Playground

Learn all about work (as defined by physics) and the Joule, a unit of energy measurement, with Adabot and English physicist James Prescott Joule (1818-1889). A summary from Universe Today: An apple is a favorite e...

Designing solar panel walls that can recycle & heat greywater

What if the walls of your house could recycle the wastewater from your sinks, showers, baths, and washing machine? Architect Maria Paz Gutierrez is working with environmental engineer Slav Hermanowicz and bioengineer ...

H is for Hertz – Circuit Playground

How does the internet work on your laptop, phone, and other wireless devices without any connecting cables? How does your television remote work? In this episode of Circuit Playground, Adabot learns about electromagne...

The 1,000 year old windmills of Nashtifan

In the small village of Nashtifan, Iran, some of the oldest windmills in the world, with what may be the earliest windmill design in the world, still spin. From National Geographic: Made of natural clay, straw, an...

Climbing Wind Turbines for a Living

Converting kinetic energy into electrical power as they spin, wind turbines are a growing part of the world's renewable energy solutions. Rock climber and wind turbine technician Jessica Kilroy inspects, maintains, an...

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