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MIT researchers map city by cellphone

Researchers at MIT may not be able to hear your cellphone call, but they have found a way to see it. They mapped a city in real time by tracking tens of thousands of people traveling about carrying cellphones.

dateSep 14, 2005 in
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3D printer could build moon bases

(PhysOrg.com) -- An Italian inventor, Enrico Dini, chairman of the company Monolite UK Ltd, has developed a huge three-dimensional printer called D-Shape that can print entire buildings out of sand and an inorganic binder. ...

dateApr 19, 2010 in Engineering weblog
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