In this project let's use some simple kitchen chemistry to make over 4,000 sheets of flame resistant recovery wadding, for about a dollar.
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Here is how to make High Pressure Paper Rockets for your hand-held rocket launcher. They withstand over 135 PSI, shoot over 300 feet, are reusable, and only cost around 5¢ each!!
Because of multipl...
Neodymium is the strongest non-electro magnetic material money can buy. If you get enough of it compressed into a 2x1 cylinder you will find the results are amazingly powerful.
Be careful though, the...