Old science show for kids, Mr. Wizard. He put a drop of nitroglycerin on a piece of metal and hit it with a hammer. The hammer went flying out of his hand, it was awesome to use kids.
May 14, 2021
April 14, 2020
Old science show for kids, Mr. Wizard. He put a drop of nitroglycerin on a piece of metal and hit it with a hammer. The hammer went flying out of his hand, it was awesome to use kids.