The democratization of space began 20 years ago with Beanie Babies – or, more accurately, the clear acrylic box that brought them home. These 4-inch (10-cm) cubes inspired space engineer Bob Twiggs to …
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‘Prison spending is not just about buildings. It is about training and employing people to work in them.’ Photograph: Andrew Aitchison/Corbis via Getty Images When politicians make summer law and …
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You may never have heard of Luis von Ahn. But if you’ve ever verified that you’re not a robot online, you’ve probably used something he created. And that’s fine by him. He doesn’t read stories about himself, and when he says he’s not motivated by money, he …
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History |
6 Brilliant Tesla Inventions That Never Got Built
History The invention? A military weapon that would accelerate mercury particles at 48 times the speed of sound inside a vacuum chamber and shoot a high-velocity beam “through the free air, of such tremendous energy that [it] will bring down a fleet of 10,000 … |
Editor’s note: This piece originally was published on Oct. 23, 2005, as part of David Harding’s “Everyday History” column in The World-Herald. The horseless carriage first appeared on Omaha streets when merchant Emil Brandeis paid the ungodly sum of $ 5,000 …
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