Thursday, September 19, 2019

Which Way Is Down?

This has some interesting explanation of Relativity.

https://www.youtube.com/watch?v=Xc4xYacTu-E

I have some problem with the concept of "Spacetime" because that leads to conclusions like time didn't exist before the Big Bang.

The Special Theory of Relativity is a great model for making predictions in the universe, but maybe, and that is a big maybe, another theory could also make accurate predictions.

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