Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the Earth, sea, air, and even in orbit. The physics of shock waves, sound, and ...

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With its undeniable BlackBerry and Palm Treo vibes, the Clicks Communicator is catnip for those who miss physical, clicky ...

In a week packed with noteworthy debuts in Las Vegas, these 24 innovations stand out as the most promising bets for what's ...