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Aerospace

Tiny vibrations let sensors work without batteries

Tiny networking devices from Millennial Net, Cambridge, Mass., let sensors and other control appliances connect over low data-rate wireless networks, without batteries.

Great (and not so great) moments in the history of flight

Someone once asked Baby Boomers to name the most epochal moments in history. It turns out they are so self-absorbed they feel only history they personally experienced is epochal. In this spirit of self-absorption, I'll relate what I see as epochal moments in the history of flight.

100 years of Aircraft engines
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The 100th Anniversary of flight has us looking back at some evolutionary and revolutionary aircraft engines.

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