“Enlightened” Atoms Defy Uniformity

When atoms in a crystal are struck by laser light, their electrons, excited by the light, typically move back and forth together in a regular pattern, resembling nanoscale soldiers marching in a lockstep formation. But according to a new theory developed by Johns Hopkins researchers, under the right conditions these atoms will rebel against uniformity. Their electrons will begin moving apart and then join together again repeatedly like lively swing partners on a dance floor.

Moreover, the researchers say, this atomic free-style dancing can be controlled, paving the way for tiny computer components that emit less heat and new sensors to detect bio-hazards and medical conditions.
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