How do we study the stars?

How do we study the stars?

This TED Ed from Harvard University’s Yuan-Sen Ting gives us a glimpse into how we can know so much about galaxies, planets, and stars. This is how astrophysicists see the universe. “Want to know the secrets of the universe? Just follow the...
Crazy, epic Rube Goldberg machine

Crazy, epic Rube Goldberg machine

Seven builders collaborate to make this epic Rube Goldberg machine, a complex chain reaction that travels through the kitchen, bedroom, bathroom, office, living room, patio, and backyard, using everyday objects to automatically pour lemonade for the entire team of...
What is surface tension?

What is surface tension?

In this mesmerizing video, see how a water strider walks on water, and how a drop of milk in water actually stretches the water’s surface instead of breaking it. It has to do with the elastic property of the water surface, a phenomenon called surface...
NEBULAE: A Cosmic Meditation

NEBULAE: A Cosmic Meditation

Watch this stunning footage taking you deep inside a space nebulae. “A cloud that veils one of nature’s secret places. This is a stellar nursery, a place where stars are born. They condense by gravity from gas and dust until their temperatures become so...
What is Dust Made Of?

What is Dust Made Of?

Less than a tenth the size of an ant, a dust mite’s whole world is contained in the dusty film under a bed or in a forgotten corner. This realm is right under our noses, but from our perspective, the tiny specks of brilliant color blend together into a nondescript...

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