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Re: [SFC] Physicist's Quantum-'Uncollapse' Hypothesis Verified

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  • Aleus Mundi
    Very interesting der! We re now one step closer of being a quantum species like the Quantic Order of Dave Brin s Five Galaxies (hmmm...I wonder if the Omega
    Message 1 of 2 , Aug 22, 2008
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      Very interesting der! We're now one step closer of being a quantum
      species like the Quantic Order of Dave Brin's Five Galaxies (hmmm...I
      wonder if the Omega Kardashev-level entities haven't gone to the

      On Sat, Aug 9, 2008 at 2:20 PM, <derhexer@...> wrote:
      > URL to an interesting article in Science Daily News
      > _http://www.sciencedaily.com/releases/2008/08/080806140128.htm_
      > (http://www.sciencedaily.com/releases/2008/08/080806140128.htm)
      > Interesting - so if you don't like the results first time, you uncollapse
      > and do it all over again
      > First few paragraphs
      > "
      > ScienceDaily (Aug. 8, 2008) — In 2006, Andrew Jordan, professor of physics
      > and astronomy at the University of Rochester, together with Alexander
      > Korotkov
      > at the University of California, Riverside, spelled out how to exploit a
      > quantum quirk to accomplish a feat long thought impossible, and now a
      > research
      > team at the University of California at Santa Barbara has tested the theory,
      > proving it correct.
      > ____________________________________
      > See also:
      > _Matter & Energy_ (http://www.sciencedaily.com/news/matter_energy/)
      > * _Quantum Physics_
      > (http://www.sciencedaily.com/news/matter_energy/quantum_physics/)
      > * _Physics_ (http://www.sciencedaily.com/news/matter_energy/physics/)
      > * _Quantum Computing_
      > (http://www.sciencedaily.com/news/matter_energy/quantum_computing/)
      > * _Inorganic Chemistry_
      > (http://www.sciencedaily.com/news/matter_energy/inorganic_chemistry/)
      > * _Materials Science_
      > (http://www.sciencedaily.com/news/matter_energy/materials_science/)
      > * _Virtual Environment_
      > (http://www.sciencedaily.com/news/matter_energy/virtual_reality/)
      > _Reference_ (http://www.sciencedaily.com/articles/)
      > * _Mechanics_ (http://www.sciencedaily.com/articles/m/mechanics.htm)
      > * _List of phases of matter_
      > (http://www.sciencedaily.com/articles/l/list_of_phases_of_matter.htm)
      > * _Quantum number_
      > (http://www.sciencedaily.com/articles/q/quantum_number.htm)
      > * _Spin (physics)_
      > (http://www.sciencedaily.com/articles/s/spin_(physics).htm)
      > Quantum particles behave in ways that from our everyday experience seem
      > utterly impossible. For instance, quantum particles have wave-like
      > properties and
      > can exist in many places at once. Why the objects we see around us every
      > day—
      > in what physicists call the "classical" world—don't behave this way despite
      > being made of these very same strange quantum particles is a deep question
      > in
      > modern physics.
      > Most scientists have believed that the instant a quantum object was measured
      > it would "collapse" from being in all the locations it could be, to just one
      > location like a classical object. Jordan proposed that it would be possible
      > to weakly measure the particle continuously, partially collapsing the
      > quantum
      > state, and then "unmeasure" it, causing the particle to revert back to its
      > original quantum form, before it collapsed.
      > Jordan's hypothesis suggests that the line between the quantum and classical
      > worlds is not as sharply defined as had been long thought, but that it is
      > rather a gray area that takes time to cross.
      > In the latest issue of Nature News, Postdoctoral Fellow Nadav Katz explains
      > how his team put the idea to the test and found that, indeed, he is able to
      > take a "weak" measurement of a quantum particle, which triggered a partial
      > collapse. Katz then "undid the damage we'd done," altering certain
      > properties of
      > the particle and performing the same weak measurement again. The particle
      > was
      > returned to its original quantum state just as if no measurement had ever
      > been taken.
      > Because theorists had believed since 1926 that a measurement of a quantum
      > particle inevitably forced a collapse, it was said that in a way,
      > measurements
      > created reality as we understand it. Katz, however, says being able to
      > reverse
      > the collapse "tells us that we really can't assume that measurements create
      > reality because it is possible to erase the effects of a measurement and
      > start again."
      > Chris

      ALEUS (Always stunned about how amazingly complex the simplest thing
      actually is)
      The Transmundial rules all
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