quinta-feira, 28 de outubro de 2010

Is there anybody out there?

"there is no such thing as absolutely empty space. All space contains fluctuating fields and particles. Even in the emptiest space that the laws of nature permit, there are energy levels about which the energies of the fields and particles fluctuate; and these energy levels are never sharply defined." Essentially, as space is created it is given some properties of 'non-emptiness'.

Henning Genz

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