kobe

Paperclips Dance for Tips on Japanese Subway, Powered By Electromagnetic Fields


A video shot on the floor of a subway car in Kobe, Japan, shows paperclips standing on end whenever the train accelerates or decelerates. The electromagnetism that drives the train's motors leaks through the floor and excites the clips.

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Cloned Beef: It's What's For Dinner

Irina Polejaeva has the secret to the perfect steak, but is America ready for her recipe?

What if you could carve off a chunk of the most succulent slab of steak you´ve ever eaten, clone a bull from it, then produce weeks of identically delectable dinners?

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December 2009: Best of What's New

In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.

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