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A Time Before the Big Bang?

Scientist now believe our universe may have bubbled off from a parent one.

Their model suggests that new universes could be created spontaneously from apparently empty space. From inside the parent universe, the event would be surprisingly unspectacular.

[...]

The inspiration for their theory isn’t just an explanation for the Big Bang our Universe experienced 13.7 billion years ago, but lies in an attempt to explain one of the largest mysteries in physics – why time seems to move in one direction.

The laws that govern physics on a microscopic scale are completely reversible, and yet, as Professor Carroll commented, “no one gets confused about which is yesterday and which is tomorrow”.

Other Universal news:

(via warren ellis, bbc news )

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