| http://www.w3.org/ns/prov#value | - Eventually, Lorenz employed a tried-and-true method for testing his nascent idea: the kitchen-table experiment. ???I took a small rock, and put it in a piece of Tupperware, and filled it with water so there was an inch of water with a bit of the rock sticking out,??? he says. ???I put it in the freezer, and that then gave me a slab of ice with a rock sticking out of it.??? He flipped the rock-ice
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