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TEDCO Hand Boiler - Theme/Subject: Learning - Skill Learning: Science, Temperature . You can boil liquid with your bare hand! Hand Boilers are looped and twisted glass sculptures containing liquid that will boil as heat is transferred from your bare hand. Fascinating and pretty!
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Hand Boiler and thousands more of the very best toys at Fat Brain Toys. Experience science in the palm of your hand! Hold the bottom and watch as the liquid moves to the top and boils, all from the heat of your hand.
Charles' Law states that, at a constant volume, a rise in temperature equals a rise in pressure. Due to this, when you hold the hand boiler with the liquid on the bottom, the heat in the palm of your hand will cause the temperature and pressure inside to rise, and that's why the liquid goes up.
Watch art in motion with Hand Boiler! The heat from your hand appears to make the liquid in the bottle boil. This is a result of Charles' law by Jacques Charles. In 1787, Charles discovered that a gas' volume is proportional to its absolute temperature.
Hand Boilers are looped and twisted glass sculptures containing a liquid that will "boil" as heat energy is transferred from your bare hand. Simply hold the large bulb end in the palm of your hand and within minutes, your body heat will cause the liquid to rise.