Some Fundamental Interactions Of Matter Found To Be Fundamentally Different

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Some Fundamental Interactions Of Matter Found To Be Fundamentally Different Than Thought

ScienceDaily (July 2, 2008) — Collisions have consequences. Everyone knows that. Whether it's between trains, planes, automobiles or atoms, there are always repercussions. But while macroscale collisions may have the most obvious effects—mangled steel, bruised flesh—sometimes it is the tiniest collisions that have the most resounding repercussions.

Such may be the case with the results of new experimental research on collisions between a single hydrogen atom and a lone molecule of deuterium—the smallest atom and one of the smallest molecules, respectively—conducted by a team led by Richard Zare, a professor of chemistry at Stanford University.

When an atom collides with a molecule, traditional wisdom said the atom had to strike one end of the molecule hard to deliver energy to it. People thought a glancing blow from an atom would be useless in terms of energy transfer, but that turns out not to be the case, according to the researchers.

http://www.sciencedaily.com/releases/2008/07/080702141421.htm
 

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