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It's easy to tell when an earthquake hits an area full of Twitter users -- there's frequently a rush of panicked tweets within seconds of the ground shaking. If Twitter and Stanford University have their way, though, those posts could be useful for more than just alerting friends. They've conducte...

11 months ago 0 Comments
May 2, 2014 at 7:16PM
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Welcome to Time Machines, where we offer up a selection of mechanical oddities, milestone gadgets and unique inventions to test out your tech-history skills. Born out of sci-fi cinema, pulp literature and a general lust for launching ourselves into the wild blue yonder, the real-world Rocket Belt...

1 year ago 0 Comments
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Even if your favorite gadget isn't flaunting them, rare earth metals are vital to all sorts of high-tech gizmos, from your flat-panel TV and computer hard drive to the hefty batteries that power the Toyota Prius. But over 95% of the world's rare earth comes from China; and late last year, China told...

5 years ago 0 Comments