Or, take the bi-metallic strip out of a home thermostat (they often have nice coiled ones). Attach a pen to the tip of it. Place it on a role of paper. Make something which would keep the paper moving slowly, such as a geared down electric motor, perhaps one from a microwave oven's turn table.
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making (C6H10O5)n - into C12H22O11 and then into C2H5OH, and then getting drunk
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