Oddities

Put those electrons to work! Nifty RCA promo video from 1942 showing how vacuum tubes work and how they are made.

A while ago Steve Carr built a thing that has become known as The Reptile-Brain Activator™. Hmmm. Best to let Chris Stamey describe it in this article from Magnet Magazine: From The Desk Of Holsapple & Stamey: The Reptile-Brain Activator™