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Technology
Profit sharing helps crack DARPA’s balloon challenge
News
Technology
The Pentagon invites you to play its red balloon game
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Physics
Piezoelectronics gets green makeover
News
Space
Propelled by light: the promise and perils of solar sailing
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Technology
Mobile botnets show their disruptive potential
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Technology
Super-efficient cars racing to win the X prize
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Earth
Giant crack in Africa formed in just days
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Technology
SMSes offer smart apps to basic cellphones
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Technology
Robot driving companion brings emotion to navigation
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Space
Images of space transformed by chips
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Technology
Living wallpaper that devices can relate to
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Space
$500,000 treasure dug up in lunar soil
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