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Tel Aviv - In the human brain, mechanical stress -- the amount of pressure applied to a particular area -- requires a delicate balance. Just the right force keeps neurons together and functioning as a system within the body, and proper nerve fun...
Aluminum -- one of nature's best conductors of electricity conductors of electricity -- may behave like a ceramic or a semiconductor in certain situations, according to an Ohio State University scientist and his colleagues. Among the findings that appear in the current issue of the journal Science: When it comes to forming tiny structures in computer chip circuits and nanotechnology, aluminum may endure mechanical stress more than 30 percent better than copper, which is normally considered to be the stiffer metal