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Stories about: Invar

Caltech Experts Create Non-Expanding Metals In a study that would have been considered witchcraft, or alchemy at best, a few centuries ago, researchers at the California Institute of Technology (Caltech) have managed to create metal alloys that do not exhibit the basic property of metals, namely the ability to expand when subjected to heat. In addition, the ne... 16 June 2009 13:51 GMT