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DARPA Unveils Drone-Slaying War Laser

A weapon that used to be the size of a passenger jet now fits on the back of a flatbed truck. (Shark mounting apparatus sold separately.) DARPA is unveiling a portable laser weapons system, HELLADS , which seems like something out of a sci-fi movie. The new laser application, created by General Atomics Aeronautical Systems with a custom power system from Saft Batteries , will help change the way the American military fights future wars

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Apple Plans a Cleaner Cloud

Cloud computing has been hailed as the best way to provide any data to any gadget at any time. Unfortunately, all this ubiquity comes at a cost--the data centers that store, send and receive all of that data consume a lot of energy, most of it from fossil fuels. [More]

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One Thing Is Certain: Heisenberg’s Uncertainty Principle Is Not Dead

What Einstein's E = mc 2 is to relativity theory, Heisenberg's uncertainty principle is to quantum mechanics--not just a profound insight, but also an iconic formula that even non-physicists recognize. The principle holds that we cannot know the present state of the world in full detail, let alone predict the future with absolute precision

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Strong Solar Storm Heading for Earth

By Deborah Zabarenko WASHINGTON (Reuters) - A strong geomagnetic storm is racing from the Sun toward Earth, and its expected arrival on Thursday could affect power grids, airplane routes and space-based satellite navigation systems, U.S. [More]

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New Gels Heal Themselves–and Maybe You

They’re called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And they’re as flexible as living tissue. But hydrogels could not recover from a cut--until now.

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Forecasters Aim to Improve Warnings for Local Tsunamis

By Richard Monastersky of Nature magazine As soon as the shaking died down on 11 March last year, Ken-Ichi Sato stumbled back to his office and pressed the alarm button, triggering sirens throughout the city of Kesennuma in northeastern Japan. [More]

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Gorilla Joins the Genome Club

By Kerri Smith of Nature magazine Kamilah lives in San Diego, California, is 35 years old, weighs 136 kilograms and has a dark fur coat covering her skin. [More]

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Net-Zero Energy Buildings Take Hold in U.S.

A weak economy and rising energy prices have led to a buzz over building efficiency. Light bulb regulations, LEED and Energy Star ratings for homes and appliances, stricter construction codes, and government incentives are all parts of a national effort to cut energy waste in the building sector. [More]

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Big Solar Flare May Bring Major Aurora

A major solar flare that occurred Tuesday at 7:28 p.m. EST may yield a substantial aurora borealis (northern lights) over the next couple of nights. Scientists predict another solar flare early in the morning on March 8.

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