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.
Click on photo for a larger picture. In the photo above, I am holding two small vials of liquid metal. The vial on the right contains gallium, an element that melts at 29.76 Celsius (85.57 Fahrenheit). The vial on the left is an alloy that contains gallium, indium, and tin, and melts at -20 Celsius (-4 Fahrenheit). (Both are available in our catalog .). The gallium is liquid because I had the bottle in my shirt pocket, next to my warm body.