Directory For a Sex Photos : fuckyeahdnd: geekandsundry: npr: skunkbear: Big math news! It’s been thirty years since mathematicians last found a convex pentagon that could “tile the plane.” The latest discovery (by Jennifer McLoud-Mann, Casey Mann, and David Von Derau)
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» fuckyeahdnd: geekandsundry: npr: skunkbear: Big math news! It’s been thirty years since mathematicians last found a convex pentagon that could “tile the plane.” The latest discovery (by Jennifer McLoud-Mann, Casey Mann, and David Von Derau)
