Auditory processing disorder (also known as central auditory processing disorder or CAPD) is a condition that makes it hard for kids to recognize subtle differences between sounds in words. It affects their ability to process what other people are saying.
Gallium is a solid metal at room temperature, but it melts in your hands. 00:09. When gallium is in its liquid state, if feels like cold melted solder in your hands. 00:33. Melting gallium onto aluminum makes the aluminum brittle enough to break with your fingers.
Simply place the piece of gallium in the palm of your hand and let the warmth of your body heat do the work! The melting point of gallium is 29.76 C (85.57 F), so it will readily melt in your hand or in a very warm room. Expect this to take around 3-5 minutes for a coin-sized piece of metal.