IMAGINE that it is a really cold morning, and you have taken a REALLY hot shower. Not just the bathroom mirrors are fogged … but the entire universe. In our continuing effort to figure out how the Big Bang might work – and what the universe might look like – we try some plain-spoken, down-to-earth thought experiments about some recent theories.
“(1) We are imagining this, setting the stage for a thought experiment, and (2) I told you not to take such hot showers!”
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