Wednesday, November 24, 2010

Quantum physics: even stranger than you think

Physicists are still trying to figure out "spooky action at a distance," in which particles seem to "know" what other particles are doing, whether an electromagnetic field exists even if it's totally shielded off from the particle, or whether the second slit in a double-slit experiment is open. A new theory is that there is not an inexplicable connection between the particles, but that time is running backwards as well as forwards. Confused? If you're not confused, you don't understand the situation. But there are practical as well as purely scientific applications of figuring it out.

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