"On Being Round." Though we’ve been hard pressed to find any perfect spheres in nature, this fascinating 1997 blog post from Neil deGrasse Tyson explains why some things are round.

"On Being Round." Though we’ve been hard pressed to find any perfect spheres in nature, this fascinating 1997 blog post from Neil deGrasse Tyson explains why some things are round.

  1. theodoreii posted this
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