US, French scientists awarded Nobel Prize in physics (+video)

David Wineland and Serge Haroche will share this year's Nobel prize for their work in quantum physics.

By Karl Ritter & Louise Nordstrom,?Associated Press / October 9, 2012

This file photo shows French physician Serge Haroche, right, and his aide Igor Dotsenko in Paris. Haroche and American David Wineland share the 2012 Nobel Prize in physics Tuesday Oct. 9, 2012 for inventing methods to observe the bizarre properties of the quantum world.

Christophe Lebedinsky/CNRS/AP

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A French-American duo shared the 2012 Nobel Prize in physics Tuesday for inventing methods to observe the bizarre properties of the quantum world, research that has led to the construction of extremely precise clocks and helped scientists take the first steps toward building super fast computers.

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Serge Haroche of France and American David Wineland win the prestigious Nobel Prize for physics for a discovery that could make a new, more powerful computer possible. Lindsey Parietti reports.

Serge Haroche of France and American David Wineland opened the door to new experiments in quantum physics by showing how to observe individual quantum particles while preserving their quantum properties.

A quantum particle is one that is isolated from everything else. In this situation, an atom or electron or photon takes on strange properties. It can be in two places at once, for example. It behaves in some ways like a wave. But these properties are instantly changed when it interacts with something else, such as when somebody observes it.

Working separately, the two scientists, both 68, developed "ingenious laboratory methods" that allowed them to manage and measure and control fragile quantum states, the Royal Swedish Academy of Sciences said.

"Their ground-breaking methods have enabled this field of research to take the very first steps towards building a new type of superfast computer based on quantum physics," the academy said. "The research has also led to the construction of extremely precise clocks that could become the future basis for a new standard of time."

Haroche is a professor at the College de France and Ecole Normale Superieure in Paris. Wineland is a physicist at the National Institute of Standards and Technology, or NIST, and the University of Colorado in Boulder, Colorado.

The two researchers use opposite approaches to examine, control and count quantum particles, the academy said.

Wineland traps ions ? electrically charged atoms ? and measures them with light, while Haroche controls and measures photons, or light particles.

Haroche said he was out walking with his wife when he got the call from the Nobel judges.

"I was in the street and passing a bench so I was able to sit down," Haroche told a news conference in Stockholm by telephone. "It's very overwhelming."

He said his work in the realm of quantum physics could ultimately lead to unimaginably fast computers.

"You can do things which are prohibited by the laws of classical physics," he told The Associated Press.

Source: http://rss.csmonitor.com/~r/feeds/science/~3/bXLxjIKQmQs/US-French-scientists-awarded-Nobel-Prize-in-physics-video

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