The forces that govern matter and light could be united at last

Immediately after the big bang, there was just one force. As the universe cooled, this force split into two, then three, and then the four forces of today’s universe. Physicists have long been searching for a grand unified theory that combines everything except gravity into one force.

Read more: https://www.newscientist.com/article/2153836-the-forces-that-govern-matter-and-light-could-be-united-at-last/

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