In this video I show how to make a super simple propane bottle launcher, especially good for demonstrations of the basic ...

Make a hole through the length of the cork ... Oh, and an apple may have fallen on his head. The water bottle rocket demonstrates two of his laws. Every action has an equal and opposite reaction.

The EZ-Launch bottle rocket launcher has an internal spring loaded release mechanism that allows the user to firmly hold the bottle while adding air pressure and releases the bottle with a quick ...