Saturday, January 1, 2011
Pop Pop Boat from my childhood
Twenty years ago or so, my grandfather Mazak helped me make a pop pop boat out of some copper tubing and balsa wood. The copper tubing is heated by a flame from a tea light, which flashes the water into steam, propelling the boat forward. Then the steam cools back into water, forming a vacuum, which sucks water back into the tube, starting the process over. I pulled the boat out of storage, stuck it in the bathtub, and gave it a go...
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