early universe

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An Atom in the Universe

“The atoms come into my brain, dance a dance, and then go out – there are always new atoms, but always doing the same dance, remembering what the dance was yesterday.” -Richard Feynman Here you are, a human being, a grand Universe of atoms that have organized themselves into simple monomers, assembled together into giant…

The Universe isn’t a static place. Although the laws of nature (physics, chemistry, biology, etc.) don’t appear to change over time, everything in the Universe appears to evolve, and changes over time. One of the simplest ways that this happens is through Hubble expansion. General relativity tells us how the Universe expands, and more specifically,…