RE: What do you know today that you didn't know yesterday?
August 19, 2023 at 4:33 pm
(This post was last modified: August 19, 2023 at 4:35 pm by Anomalocaris.)
If all 137 billion homo sapiens s that had ever lived are lumped together and compressed into a single black hole, the event horizon of such a black hole would be the size of a proton.