Mon, 27 February 2012
It's leap year time... so what are years, anyway?
Direct download: What_are_years..._and_the_galactic_supermassive_black_hole.mp4
Category:science & medicine -- posted at: 8:00am EDT |
MinutePhysics : What are years... and the galactic supermassive black hole!
Cool physics and other sweet science - all in a few minutes!
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