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Stories about: shrinking

Shrinking Material Reveals Its Secrets to Caltech Scientists A team of engineers at the California Institute of Technology (Caltech) announces that it finally manged to crack the mystery of one of the most curious materials in the world. Scandium trifluoride (ScF3) is part of a class of materials that contracts when heated. Generally, basic physics teaches us that materials ... 7 November 2011 06:08 GMT Mercury Got Smaller Still Mercury is the smallest planet in the solar system, but one thing is certain: it wasn't always this small. At least, that's what the data collected by NASA's MESSENGER spacecraft during the beginning of this year reveals. In the early history of the solar system, when Mercury was much warmer than it is... 5 July 2008 04:56 GMT