Monday, May 11, 2009
Thursday, May 7, 2009
Tuesday, May 5, 2009
J-58 Jet Engine
Learning math with an abacus is the way to go!
Phenomenal human calculators produced by learning math on the abacus and in spite of oppressive Communist rule.
JetLev-Flyer
What you get when you pipe clamp a firehose and backpack to the output of a watercraft.
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