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Old 09-12-2012, 12:24 PM
 
Location: Sarasota, Florida
15,400 posts, read 19,797,392 times
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Common Interpretation of Heisenberg's Uncertainty Principle Is Proved False: Scientific American

One Thing Is Certain: Heisenberg's Uncertainty Principle Is Not Dead: Scientific American

By Geoff Brumfiel of Nature magazine
Contrary to what many students are taught, quantum uncertainty may not always be in the eye of the beholder. A new experiment shows that measuring a quantum system does not necessarily introduce uncertainty. The study overthrows a common classroom explanation of why the quantum world appears so fuzzy, but the fundamental limit to what is knowable at the smallest scales remains unchanged.

Don't get too excited: the uncertainty principle still stands, says Steinberg: “In the end, there's no way you can know [both quantum states] accurately at the same time.” But the experiment shows that the act of measurement isn't always what causes the uncertainty. “If there's already a lot of uncertainty in the system, then there doesn't need to be any noise from the measurement at all,” he says



Interesting Article>>>>>>>
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Old 09-12-2012, 01:03 PM
 
Location: Sarasota, Florida
15,400 posts, read 19,797,392 times
Reputation: 11070
Heisenberg's Uncertainty Principle

special relativity - Could the Heisenberg Uncertainty Principle turn out to be false? - Physics
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