STOCKHOLM (AP) — A French-American duo shared the 2012 Nobel Prize in physics Tuesday for experiments on quantum particles that have already resulted in ultra-precise clocks and may one day help lead to computers many times faster than those in use today.

Serge Haroche of France and American David Wineland showed in the 1990s how to observe individual particles while preserving their bizarre quantum properties, something that scientists had struggled to do before.

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