Loose tooth? Not in the house of rockets!
Joshua had a loose tooth and really wanted to finish it off with a compressed air rocket launch… and we recorded it in slow-motion video! Grandma Kathy and Grandpa Willie…
Light bulb vs. Liquid Nitrogen
So incandescent lightbulbs are often made with a tungsten filament and the surrounded by arguing gas, to keep the tungsten from burning when it gets so hot it glows. And…
Photos
I tried to take a few pictures along the way. Mot but not all are mine. Endless thanks to all the other people that took pictures and shared them. Some…
Raspberry Sky
What you get when you add a Raspberry Pi to 7 independent rocket launchers? Raspberry Sky. We took this on the road to teach kids both science and programming. The…
CNC Machine
I made my own CNC or Computer Numerical Control machine. I started with nothing but a set of plans I downloaded from the internet and only a vague idea of…
SPIE Rigging
So after being forgot and consigned to world of endless working parties, only to then be sent of to be the sacrificial observer waiting for Tsunami that never came… I…