(via Sabine Hossenfelder) In the Big Bang Theory, the cosmic microwave background — microwave-range radiation that floats through the entire universe at a steady 2.7 Kelvin — is evidence that a hot ...
(via Sabine Hossenfelder) Most physicists believe that our universe began with a Big Bang. But how did the laws of nature – for example, the strength of gravity, the speed of light, and the strength ...
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