Posts tagged with physics by 0bvious

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"A human is halfway in size between an atom and the known universe"... This is a paraphrased quote I have come across several times. I like it. Who said it first? How true is it in the most literal sense? And, finally, what errors arrive in postulating a universe, or an atom, which can be measured AT ALL from our singular, relativistic, perspective? [more inside]
posted by 0bvious on Feb 18, 2007 - 14 answers

I'm on the hunt for sites and/or blogs about big ideas... Who wants to join me? [more inside]
posted by 0bvious on Jul 9, 2006 - 17 answers

Is Dark Matter the new Phlogiston? [more inside]
posted by 0bvious on Jun 26, 2006 - 35 answers

AskMeFi Physics folk: How do astronomers account for the temporal distinctiveness of their galactic subjects in their calculations? I understand that observations of the red shift of quasars delinates a speed increase in the expansion of the universe - yet my brain explodes when I try to understand how the enormous expanse of time is factored into these models. [more inside]
posted by 0bvious on Apr 9, 2006 - 12 answers