take a sheet of lexicon and drill a matrix of holes on 1in square and insert the tube’s in the matrix place in the microwave and enjoy the lightshow

a neon mounted in a old plastic pen is a quick way to test for RF leakage around the doors and check the door latches ]]>

“Your comment is awaiting moderation.”

]]>How about something from the early high school curriculum?; more

mundane stuff such as quadratic equation, factoring, y = mx + b,

simultaneous equations, transformations, arithmetic sequence.

I think they’d go over with classes I’ve been in.

Chris, Toronto, Canada.

]]>