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.
Wood's metal has a slightly higher melting point (near 160F/70C) and is less expensive, but it contains lead. Aluminum melts at about 1221 degrees Fahrenheit, which is a heck of a lot hotter than MY oven goes. My guess is you need special equipment both to melt metals and to handle them afterward. I wouldn't try it at home.