Excellent idea. I remember going through the tube testing ritual with my Mom. Good times. It was really interesting to me, how my Mom could take things apart a

Excellent idea. I remember going through the tube testing ritual with my Mom. Good times. It was really interesting to me, how my Mom could take things apart and figure things out. (She taught me that the inside of a TV was dangerous, and kept the screwdrivers up where I couldn't reach them.)