This 2009 photo provided Tuesday Oct. 9, 2012 by the CNRS (Centre Nationale de la Recherche Scientifique) shows French physician Serge Haroche in Paris. Haroche and U.S 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, research that has led to the construction of extremely precise clocks and helped scientists take the first steps toward building superfast computers. (AP Photo/CNRS/ Christophe Lebedinsky) EDITORIAL USE ONLY - NO USE AFTER DEC.31 2012
This 2009 photo provided Tuesday Oct. 9, 2012 by the CNRS (Centre Nationale de la Recherche Scientifique) shows French physician Serge Haroche in Paris. Haroche and U.S 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, research that has led to the construction of extremely precise clocks and helped scientists take the first steps toward building superfast computers. (AP Photo/CNRS/ Christophe Lebedinsky) EDITORIAL USE ONLY - NO USE AFTER DEC.31 2012
Photographs of the 2012 Nobel Prize laureates in Physics Serge Haroche from France, left, and David Wineland from the US are presented on a screen during a media conference at the Royal Swedish Academy of Science in Stockholm, Sweden, Tuesday Oct. 9, 2012. Frenchman Serge Haroche and American David Wineland have won the 2012 Nobel Prize in physics for inventing and developing methods for observing tiny quantum particles without destroying them. (AP Photo/Bertil Enevag Ericson/SCANPIX) SWEDEN OUT
Photographs of the 2012 Nobel Prize laureates in Physics Serge Haroche from France, left, and David Wineland from the US are presented on a screen during a media conference at the Royal Swedish Academy of Science in Stockholm, Sweden, Tuesday Oct. 9, 2012. Frenchman Serge Haroche and American David Wineland have won the 2012 Nobel Prize in physics for inventing and developing methods for observing tiny quantum particles without destroying them. The Royal Swedish Academy of Sciences cited the two scientists Tuesday "for ground-breaking experimental methods that enable measuring and manipulation of individual quantum systems." (AP Photo / Bertil Enevag Ericson / SCANPIX) SWEDEN OUT
Staffan Normark, a member of the Swedish Academy of Sciences presents the 2012 Nobel Prize laureates in Physics, during a press conference at the Royal Swedish Academy of Sciences, in Stockholm, Sweden, Tuesday, Oct. 9, 2012. 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 superfast computers. 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 without destroying them, the Royal Swedish Academy of Sciences said. (AP Photo/Bertil Enevag Ericson /Scanpix) SWEDEN OUT
This 2009 photo provided Tuesday Oct. 9, 2012 by the CNRS (Centre Nationale de la Recherche Scientifique) shows French physician Serge Haroche, right, and his aide Igor Dotsenko in Paris. Haroche and U.S 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, research that has led to the construction of extremely precise clocks and helped scientists take the first steps toward building superfast computers. (AP Photo/CNRS/ Christophe Lebedinsky) EDITORIAL USE ONLY - NO USE AFTER DEC.31 2012
STOCKHOLM (AP) ? 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 superfast computers.
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.
Haroche also said quantum research could help make GPS navigating systems more accurate.
NIST spokesman Jim Burrus said Wineland was asleep at home in Boulder when the call came in early Tuesday notifying him that he won; his wife answered the phone.
Burrus said Wineland described the news as overwhelming and wonderful.
He described Wineland as a humble person who never expected to win prizes. He also doesn't take himself very seriously: Wineland once played first base on a NIST softball team called "Field of Dweebs."
Christopher Monroe, who does similar work at the Joint Quantum Institute at the University of Maryland, said the awarding of the prize to the two men "is not a big surprise to me ... It was sort of obvious that they were a package."
Monroe said that thanks to the bizarre properties of the quantum world, when he and Wineland worked together in the 1990s, they were able to put a single atom in two places simultaneously.
At that time, it wasn't clear that trapping single atoms could help pave the way to superfast quantum computers, he said. That whole field "just fell into our laps,'" Monroe said.
In an ordinary computer, information is represented in bits, each of which is either a zero or a one. But in a quantum computer, an individual particle can essentially represent a zero and a one at the same time. If scientists can make such particles work together, certain kinds of calculations could be done with blazing speed.
One example is the factoring, the process of discovering what numbers can be multiplied together to produce a given number. That has implications for breaking codes, Monroe said.
Quantum computers could radically change people's lives in the way that classical computers did last century, but a full-scale quantum computer is still decades away, the Nobel judges said.
"The calculations would be incredibly much faster and exact and you would be able to use it for areas like metrology and for measuring the climate of the earth," said Lars Bergstrom, the secretary of the prize committee.
The physics prize was the second of the 2012 Nobel Prizes to be announced, with the medicine award going Monday to stem cell pioneers John Gurdon of Britain and Japan's Shinya Yamanaka. Each award is worth 8 million kronor, or about $1.2 million.
Only two women have won the physics prize since it was first awarded in 1901: Marie Curie in 1903 and Maria Goeppert-Mayer in 1963.
The prizes are always handed out on Dec. 10, the anniversary of prize founder Alfred Nobel's death in 1896.
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AP science writer Malcolm Ritter in New York and AP writers Lori Hinnant in Paris and Colleen Slevin in Denver contributed to this report.
Associated PressSource: http://hosted2.ap.org/APDEFAULT/bbd825583c8542898e6fa7d440b9febc/Article_2012-10-09-Nobel-Physics/id-2ba17cc542804dfc90d8954fd5193933
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