Certain polymers and glasses are known to change shape when exposed to light. This is called a piezoelectric effect, and means that piezoelectric crystals, when subjected to an externally applied voltage, can change shape by a small amount, about 0.1% of the original dimension.Researchers in Japan have discovered or... |
12 April 2007 06:35 GMT |
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Remember T 1000, from the Terminator 2 movie? It was capable of perfectly emulating the shape, color, and texture of anything that it touched, capable of altering its molecular state between solid and liquid at will, and of reforming itself in seconds.The U.S. Defense Department, through The Defense Advanced Researc... |
4 April 2007 05:21 GMT |
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