Power without the cord

Cell phones and flashlights operate by battery without trouble. Yet because of the limited lifespan, battery power is not a feasible option for many applications in the fi elds of medicine or test engineering, such as implants ...

Guiding robot planes with hand gestures

Aircraft-carrier crew use a set of standard hand gestures to guide planes on the carrier deck. But as robot planes are increasingly used for routine air missions, researchers at MIT are working on a system that would enable ...

WikiLeaks scandal sparks US intelligence reform

The WikiLeaks document dump, which saw hundreds of thousands of classified US files leaked, rattled US intelligence officials, forcing them to implement reforms to prevent another such breach.

Cosmology in a Petri dish

Scientists have found that micron-size particles which are trapped at fluid interfaces exhibit a collective dynamic that is subject to seemingly unrelated governing laws. These laws show a smooth transitioning from long-ranged ...

US, British officials victims of Stratfor hack: press

Email addresses and passwords belonging to British, US and NATO officials were posted online following the hacking of a US intelligence analysis firm over Christmas, the Guardian daily reported Monday.

On the edge of friction

(PhysOrg.com) -- The problem exists on both a large and a small scale, and it even bothered the ancient Egyptians. However, although physicists have long had a good understanding of friction in things like stone blocks being ...

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