
Some Say That the Universe Is a Donut. Others Say It’s a Hole.
Actually, as astrophysicist Ethan Siegel points out, there’s only one universe — which makes theorizing about it a problem.At Forbes, theoretical astrophysicist Ethan Siegel comments: The true problem with the Universe is that there’s only one to observe, or at least, only one that we’re capable of observing. We don’t have a large sample of Universes to compare between, and we don’t have a large set of data points available to us within our Universe. It’s like rolling five dice, together, once. Your odds of getting all sixes is small: about 1-in-7800. Yet if you rolled five dice at once and saw that it came up all sixes, you wouldn’t necessarily conclude that it was anything more than random chance. Sometimes, nature just doesn’t give you the most likely outcome. It’s possible that the leftover photons from the Read More ›