Universe May Have Been Around Since… Forever?
by Greg Bestin

When did the clock of the universe start ticking? For decades we’ve believed that 13.8 billion years ago the Big Bang set the universe’s clock in motion.
While that’s still the prevailing viewpoint, researchers are now exploring a theory called “rainbow gravity” that, if correct, does away with the Big Bang. In a “rainbow” universe, the clock has been ticking forever.Behind the scenes of the Big Bang is Einstein’s theory of general relativity.
But there’s a problem. Einstein’s theory is at odds with quantum mechanics, the theory of tiny particles. Rainbow gravity was proposed to reconcile the two, and if it were correct, the universe would have no beginning—there is no big treasure at the foot of this “rainbow” because the “rainbow” universe goes back forever.
Why is it called rainbow gravity? Because according to the theory, gravity becomes a cosmological prism that can separate different colors of light. Our eyes can’t see that—when we gaze longingly into the night sky, the stars’ white light appears to have streamed smoothly to our eyes. If rainbow gravity is right though, light’s path through outer-space may be more like the famous Pink Floyd poster, where the different colors become spread apart…
(read more: PBS - Nova Next)

Universe May Have Been Around Since… Forever?

by Greg Bestin

When did the clock of the universe start ticking? For decades we’ve believed that 13.8 billion years ago the Big Bang set the universe’s clock in motion.

While that’s still the prevailing viewpoint, researchers are now exploring a theory called “rainbow gravity” that, if correct, does away with the Big Bang. In a “rainbow” universe, the clock has been ticking forever.Behind the scenes of the Big Bang is Einstein’s theory of general relativity.

But there’s a problem. Einstein’s theory is at odds with quantum mechanics, the theory of tiny particles. Rainbow gravity was proposed to reconcile the two, and if it were correct, the universe would have no beginning—there is no big treasure at the foot of this “rainbow” because the “rainbow” universe goes back forever.

Why is it called rainbow gravity? Because according to the theory, gravity becomes a cosmological prism that can separate different colors of light. Our eyes can’t see that—when we gaze longingly into the night sky, the stars’ white light appears to have streamed smoothly to our eyes. If rainbow gravity is right though, light’s path through outer-space may be more like the famous Pink Floyd poster, where the different colors become spread apart…

(read more: PBS - Nova Next)

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    THIS IS FUCKING AMAZING IM SO DOWN FOR RAINBOW GRAVITY THEORY
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    Universe May Have Been Around Since… Forever? by Greg Bestin When did the clock of the universe start ticking? For...