Product Description
Also known as a “love meter.” A partially evacuated glass tube is filled with a liquid that has a very low boiling point. When you wrap your hand around the bottom bulb, the heat, in combination with the low pressure inside the tube, causes the liquid to boil. The liquid “boils” upward into the opposite chamber and completely unfounded romantic aspersions are cast about. Demonstrates boiling point, the effect of atmospheric pressure on the boiling point, and the transfer of heat through conduction.
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