At a Glance
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06.08.09 Heavy lifting in spaceExercise equipment on the space station helps the crew stay fit while in space. |
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05.28.09 How VIVACE worksA device invented by a professor and student at the University of Michigan harnesses the energy in a water current, then drives a generator to create electricity. The device will be put into the Detroit River next year. |
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05.26.09 Thrust reversersThe doomed Spanair MD-82 in Madrid last August had reportedly deployed the thrust reverser in one engine during takeoff. |
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05.07.09 Silent eyes watch from the skyNonrigid, lighter-than-air blimps have long been used as slow, steady observation posts. A new generation will watch the seas for drug smugglers and illegal immigrant traffic. |
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04.28.09 Venice flood barriersVenice is building a system of movable barriers that would rise from the seabed to ease the effect of high tides. |
