Archive: 28/09/2007

NASA's Ion Engine Breaks Performance Record

An ion engine prototype developed at NASA's Glenn Research Center has now accumulated more than 12,000 hours of operation and processed over 245 kilograms of xenon, setting a record for most propellant throughput ever demonstrated ...

dateSep 28, 2007 in Space Exploration
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'Dead time' limits quantum cryptography speeds

Quantum cryptography is potentially the most secure method of sending encrypted information, but does it have a speed limit" According to a new paper by researchers at the National Institute of Standards and Technology and ...

dateSep 28, 2007 in General Physics
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Surprise in the organic orchard -- a healthier worm in the apple

Insects can catch more than a cold from certain viruses. Some viruses can be lethal to pest species - turning their insides to soup - without harming beneficial insects or other organisms. Hence they are used as an environmentally ...

dateSep 28, 2007 in
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Mysterious energy burst stuns astronomers

Astronomers studying archival data from an Australian radio telescope have discovered a powerful, short-lived burst of radio waves that they say indicates an entirely new type of astronomical phenomenon.

dateSep 28, 2007 in Astronomy
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