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2011-09-23 00:15:38

Why does a solid metal that is engineered for ductility become brittle, often suddenly and with dramatic consequences, in the presence of certain liquid metal impurities?


Word of the Day
cassation
  • The abrogation of a law by a higher authority; annulment.
  • In music, during the eighteenth century, a song or an instrumental piece similar to the serenade, intended for performance in the open air.
The word 'cassation' comes from the French 'cassation', from Latin 'casso' ("destroy, annul").
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