CATEGORY: Core77

The Soap of the Future: Bubbles! Core77

The Soap of the Future: Bubbles!

Back in my ambulance days, we were taught to wash our hands after each shift in warm soapy water—while mentally humming a segment of "Yankee Doodle Dandy." This would take us, they reckoned, to

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Video of Wood Being Friction-Welded Together Core77

Video of Wood Being Friction-Welded Together

Friction welding is a process whereby two pieces of like material, typically plastic or metal, are rubbed together at high speeds. The resultant heat essentially melts the adjoining surfaces together. Surprisingly, someone figured out

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