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• n  (physics and chemistry) the smallest component of an element having the chemical properties of the element
• n  (nontechnical usage) a tiny piece of anything

• The world's atomic club has become one country bigger.
• Admiral Nimitz said: "The atom bomb has given new importance to sea power.
• The Air Force, which already has General Electric working on an atom-powered engine for aircraft (PTI, Sept.

• molecule
• particle
• corpuscle
• mote
• speck

News & Articles

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• The Heart of Bone
  MIT researchers have decoded the complex structure that gives bones their strength A team of MIT researchers led by civil engineer and materials scientist Markus Buehler has finally unraveled the structure of bone—a long-standing mystery—with almost atom-by-atom precision. Doing so took many years of analysis by some of the world’s most powerful computers, results that were confirmed by ...
  June 18, 2013 - Technology Review
• TimesTalks Luminato Festival Video: Atom Egoyan
  The film and stage director Atom Egoyan talks with Daniel J. Wakin, deputy culture editor at The Times.
  June 16, 2013 - New York Times
• ArtsBeat: TimesTalks Luminato Festival Video: Atom Egoyan
  The film and stage director Atom Egoyan talks with Daniel J. Wakin, deputy culture editor at The Times.        
  June 16, 2013 - New York Times

Quotes

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• Laura Ziskin in FOXNews
  We took the best and brightest and locked them up in Los Alamos and said you can't leave until you split the atom and create, unfortunately, a bomb,Ziskin said. "This is no less a problem, with half a million Americans a year dying from...
• Sidney Drell in International Herald Tribune
  He was moved by a deep ethical concern,Drell said. "He had worked on the atom bomb project, and understood what would be the effect of a nuclear war. He was profoundly committed to enhancing prospects of peace."