oh shit! here's the flagship "edutainment" post kiddos. you can't really get to much more edutaining than this. past the second dimension, past the third, and into the fourth, join carl sagan in a saga involving squares, triangles, houses, apples, shadows and tesseracts. oooooooowwweeeeeeeeoooooooooohhhhweeeeeoooooh!!!!
Wednesday, December 16, 2009
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