Hacker drone launches airborne cyber attacks

Computer security specialists showed off a homemade drone aircraft Friday capable of launching airborne cyber attacks, hijacking mobile phone calls, or even delivering a dirty bomb.

High-efficiency solar power that floats in water

Sometimes you encounter an idea so seemingly brilliant you wonder why you didn't think of it yourself. OK, here goes: Utility-grade "concentrating" solar power ... in water. You're not applauding - what's going on?

World's first skyscraper was a monument to intimidation

Discovered by archaeologists in 1952, a 28-foot-high stone tower discovered on the edge of the town of Jericho has puzzled scientists ever since. Now, 11,000 years after it was built, Tel Aviv University archaeologists at ...

From Beijing to Paris, world to go dark for Earth Hour

Global landmarks from Sydney's Opera House to the Forbidden City, to the glittering Las Vegas Strip, will be plunged into darkness Saturday as activists bid to reinvigorate the climate change fight.

Billion people invited to switch off lights

Around a billion people living in the world's major cities are being invited to turn off their lights at 8:30 p.m. local time on Saturday for "Earth Hour," described as the biggest mass campaign to demand action on climate ...

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