“I am using the word theory as a scientist means it: a set of ideas so well established by observations and physical models that it is essentially indistinguishable from fact. That is different from the colloquial use that means "guess."… — Philip C. Plait Copy Share Image
“Sure, black holes can kill us, and in a variety of interesting and gruesome ways. But, all in all, we may owe our very… — Philip C. Plait Copy Share Image
“I am using the word theory as a scientist means it: a set of ideas so well established by observations and physical models that… — Philip C. Plait Copy Share Image
