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Oct 3, 2022

Can stringy physics rescue the universe from a catastrophic transformation?

Posted by in categories: cosmology, particle physics, quantum physics

Our universe may be fundamentally unstable. In a flash, the vacuum of space-time may find a new ground state, triggering a cataclysmic transformation of the physics of the universe.

Or not. A new understanding inspired by string theory shows that our universe may be more stable than we previously thought.

Within the first microseconds of the Big Bang, the universe underwent a series of radical phase transitions. The four forces of nature — electromagnetism, gravity, the strong nuclear force and the weak nuclear force — were at one time unified into a single force. Physicists do not know the character or nature of this force, but they do know that it didn’t last long.

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