The weird quantum effects seen in Richard Feynman's version of Young's double-slit experiment are shown to be a result of quantum entanglement instead of quantum uncertainty (Copenhagen) or multiverses. (Click here for background on all these terms.) In addition, with two entangled photons, it is possible to collapse the quantum state of one by observing the other - even after the first one has been recorded by a detector. This is the phenomenon of quantum erasure.
Posted: 25 Oct 2008 04:10 AM CDT
Scientists have never had an accurate map of ocean currents, until now. Hear about oceanographer Peter Niiler’s recent discoveries about ocean currents, and how the ocean affects climate.
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