3-D battery structure shows new twist in battery design

(PhysOrg.com) -- Battery life and driving range are two sticky phrases in discussions about why EVs have yet to hit mainstream use. Drivers still feel skittish about the idea of setting out on longer trips on batteries lasting ...

Joysticks transform US warfare in Afghanistan

In battle they take out Taliban fighters with joystick-controlled weapons, while back at base American soldiers hook up their Xboxes and kill their way through video games.

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