Whether a quantum object behaves like a wave or like a particle depends (according to the Copenhagen interpretation) on the choice of measurement apparatus used for observing the system, and therefore on the type of measurement ...
Quantum Physics
Jan 9, 2013
53
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(Phys.org)—University of Arizona physicist Andrei Lebed has stirred the physics community with an intriguing idea yet to be tested experimentally: The world's most iconic equation, Albert Einstein's E=mc2, may be correct ...
General Physics
Jan 4, 2013
81
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(Phys.org)—UK-based physicist Ole Steuernagel from the University of Hertfordshire, alongside Dimitris Kakofengitis and Georg Ritter, have found that a new powerful tool they call 'Wigner flow' is the quantum analogue of ...
Quantum Physics
Dec 28, 2012
10
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(Phys.org)—A new paradigm for understanding the earliest eras in the history of the universe has been developed by scientists at Penn State University. Using techniques from an area of modern physics called loop quantum ...
General Physics
Nov 29, 2012
20
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(Phys.org)—In a key step toward building a machine that promises to revolutionize computing, Princeton researchers have developed a method that could quickly and reliably transmit information through a computer using the ...
Quantum Physics
Nov 28, 2012
0
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Quantum computers are devices—still largely theoretical—that could perform certain types of computations much faster than classical computers; one way they might do that is by exploiting "spin," a property of tiny particles ...
Quantum Physics
Nov 27, 2012
3
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At very low temperatures, close to absolute zero, chemical reactions may proceed at a much higher rate than classical chemistry says they should – because in this extreme chill, quantum effects enter the picture. A Weizmann ...
Quantum Physics
Oct 11, 2012
6
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A deeply rooted concept in everyday life is causality; the idea that events in the present are caused by events in the past and, in turn, act as causes for what happens in the future. Physicists from the University of Vienna ...
Quantum Physics
Oct 2, 2012
49
3
The National Institute of Standards and Technology has released a final version of its risk assessment guidelines that can provide senior leaders and executives with the information they need to understand and make decisions ...
Other
Sep 19, 2012
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The U.S. Naval Research Laboratory Spacecraft Engineering Department's space robotics research facility recently took possession of a one-of-a-kind 75,000 pound Gravity Offset Table (GOT) made from a single slab of solid ...
Space Exploration
Jul 18, 2012
0
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