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Philip Plait

“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." To a scientist, you can bet your life on a theory. Remember, gravity is "just a theory" too.”


Philip Plait, Death from the Skies!: These Are the Ways the World Will End...
tags: science, theory
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Death from the Skies!: These Are the Ways the World Will End... Death from the Skies!: These Are the Ways the World Will End... by Philip Plait
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