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.
First, gallium metal wets both glass and skin. What this means is the melted metal will leave finely divided gallium particles on your skin, giving it a grayish cast. It's not super-easy to wash off, so you might want to avoid the issue. The other consideration is that gallium attacks other metals.