[holykaw.alltop.com] Past versus future: What’s the difference? [video]

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	--- Reply above this line to comment on this post --- Past versus future: What's the difference? [video] Posted by  Kate Rinsema to Holy Kaw! The past already happened. Okay, smartypants, we already thought of that, too, but Cal Tech physicist Sean Carroll has a much fancier answer than that because “the arrow of time is not an intrinsic property of physics…” Intrigued? Then check out this episode of Minute Physics. Embedded media -- click here to see it. Full story at YouTube via BrainPickings. Weird science. View this post » Leave a comment » On the go? Download Posterous Spaces for your phone Sent by Posterous. Unsubscribe from emails. Other questions? We'd love to help.