The Science of Valentine’s Day – Love Potions, Love Meters and Hidden Messages
Are you looking to add a little science into your Valentine’s Day? Have no fear, because the Science Love Doctor is in.
Love Meter
Are you hot enough to make the Love Meter boil? Simply grab the meter at the bottom and watch what happens. Is this really measuring your love or is it using your body heat?
The Love Meter is actually called a Hand Boiler. When the gas in the bottom bulb is heated with your hand, the increase in temperature creates an increase in air pressure. This increased pressure pushes the liquid up the tube to the top bulb. When all of the liquid transfers from the bottom bulb, air bubbles are forced up the tube, causing the liquid in the top
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