Riley Thomas

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Faster-Than-Light Drive

Instead of using rockets or thrusters, a craft equipped with warp drive would move by distorting space.<p>The warp drive proposed by Miguel Alcubierre would achieve faster-than-light speeds by distorting space-time. The device would generate a field of negative energy that would squeeze or stretch …

How To Make Your Own (Floating!) Concrete Boat

Rock the boat using the physics of buoyancy<p>The Greek polymath Archimedes is said to have solved the mystery of buoyancy in a bathtub. Even if the story is apocryphal, his principle isn't: If an object weighs less than the water it displaces, it won't sink.<p>Even concrete can float. Materials …

What is Sarin Gas?

Indian Baby Spontaneously Combusts

This Scientist Helped Quietly Save The World From Soviet Nukes

Siegfried Hecker spent more than a decade securing a nuclear test site the size of New Jersey.<p>When the Soviet Union broke apart at the end of the Cold War, several of its military and science facilities fell into disrepair. One of them, the Semipalatinsk Test Site, just happened to be a nuclear …

3 Largest Stars in the Known Universe (+Video)

It’s hard not to marvel at the colossal size of stars. The sun is the closest star to Earth, but it’s a tiny one compared to others. The largest star …

Astrophysics

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