"If you showed that patch of empty space to a physicist, he or she would tell you, "It isn't empty." No matter how remote, every inch of our universe carries a mysterious "dark" energy that is pressing out in all directions. We're not sure how it works, but across this same patch you will also find threads of gravitational force stretching to every part of the universe, while deep down, in impossibly small subatomic nooks and crannies, there's a riot of coming and going, a quantum flux, with little clouds of matter popping in, then out of existence, like summer storms.
A patch of "empty" space may look empty, but in fact, its nothingness contains all kinds of invisible somethings.
"Empty" is always hiding secrets."
via NPR /By ROBERT KRULWICH /continue reading
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