Physicists Measure Tiny Force That Limits How Far Machines Can Shrink

University of Arizona physicists have directly measured how close speeding atoms can come to a surface before the atoms' wavelengths change.
Theirs is a first, fundamental measurement that confirms the idea that the wave of a fast-moving atom shortens and lengthens depending on its distance from a surface, an idea first proposed by pioneering quantum physicists in the late 1920s.

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<p><a href="http://www.physorg.com/news6724.html">Physicists Measure Tiny Force That Limits How Far Machines Can Shrink</a></p> <p>University of Arizona physicists have directly measured how close speeding atoms can come to a surface before the atoms' wavelengths change. <br>Theirs is a first, fundamental measurement that confirms the idea that the wave of a fast-moving atom shortens and lengthens depending on its distance from a surface, an idea first proposed by pioneering quantum physicists in the late 1920s.</p>