Is a Spring Still Springy After It Gets Crushed by a Hydraulic Press?

It's time to check in with the best thing on YouTube, the Hydraulic Press Channel. Over the weekend the proprietors staged a fascinating test, subjecting a spring from a car's suspension to the death crush of the press. Could it spring back to shape after taking such a beating? Pretty cool, right? Even after the press compacts the spring down into a flat ring...

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A Gear-Whip Is Perfect for Steampunk Indiana Jones

Whether they're circles, or a stranger shape, gears can do all sorts of weird things from turning pumps to doing calculus. Puzzlemaster Oskar van Deventer—who posts his geared contraptions to YouTube on the channel OskarPuzzle—knows this well and has revealed a new, geared contraption that's as amusing as it is useless. By attaching a series of gears together in a line,...

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