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How Big Bang Theory Works, with Neil deGrasse Tyson

Stuff You Should Know

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The Dark Side, the Dark Side and Mark Hammel's Hair

The four basic forces, as everyone knows, electromagnetism, strong nuclear force, weak nuclear force, and gravity. And that singularity before the universe expanded began to expand. All of them were coupled together into a single unified force. If we can figure out how they were all unified, we can start to understand the science we need for understanding the origins of the universe.

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