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Latest Velimir RadmiloviÄ Stories

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2011-08-08 14:27:16

Scientists at Berkeley Lab find nanoparticle size is readily controlled to make stronger aluminum alloys Long before they knew they were doing it "“ as long ago as the Wright Brother's first airplane engine "“ metallurgists were incorporating nanoparticles in aluminum to make a strong, hard, heat-resistant alloy. The process is called solid-state precipitation, in which, after the melt has been quickly cooled, atoms of alloying metals migrate through a solid matrix and gather...


Word of the Day
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.