In this video I show how to make a super simple propane bottle launcher, especially good for demonstrations of the basic physics of rocketry. I've used this launcher myself for kid's science lessons ...

Sierra Space’s recent tests involved a pair of .50 caliber guns built to replicate orbital debris impacts by firing ...

We built a Rocket Launcher that shoots a Coke soda bottle fueled by Coke and Mentos! Trump signs executive orders on school discipline, education reform ...