World`s first quantum machine takes ‘Breakthrough of the Year’ title
Washington: The world`s first ‘quantum machine’ has been named as one of the scientific breakthroughs of the year.
Physicists Andrew Cleland and John Martinis from the University of California at Santa Barbara and their colleagues designed the machine—a tiny metal paddle of semiconductor, visible to the naked eye—and coaxed it into dancing with a quantum groove.
First, they cooled the paddle until it reached its "ground state," or the lowest energy state permitted by the laws of quantum mechanics.
Then they raised the widget`s energy by a single quantum to produce a purely quantum-mechanical state of motion. They even managed to put the gadget in both states at once, so that it literally vibrated a little and a lot at the same time—a bizarre phenomenon allowed by the weird rules of quantum mechanics.
Science and its publisher, AAAS, the nonprofit science society, have recognized the machine as the 2010 Breakthrough of the Year.
They have also compiled nine other important scientific accomplishments from this past year into a top ten list, appearing in a special news feature in the journal`s 17 December 2010 issue.
Additionally, Science news writers and editors have chosen to spotlight 10 "Insights of the Decade" that have transformed the landscape of science in the 21st Century.
"This year`s Breakthrough of the Year represents the first time that scientists have demonstrated quantum effects in the motion of a human-made object," said Adrian Cho, a news writer for Science.
"On a conceptual level that`s cool because it extends quantum mechanics into a whole new realm. On a practical level, it opens up a variety of possibilities ranging from new experiments that meld quantum control over light, electrical currents and motion to, perhaps someday, tests of the bounds of quantum mechanics and our sense of reality."
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