Useful explosives in construction
The most useful types of explosives are safe to handle as long as they are handled properly. For instance, Nitroglycerin was the first type of dynamite and it was very unstable. This made it hard to be safely used, miners would have to carry this stuff over rough roads with no type of cushion or shocks [...]
Make cool potato guns on your own
It was the day of Alfred’s birthday, my son Peter’s friend. Alfred had come to the drawing class and distributed sweets to all of them. Alfred received so many gifts from his friends, but the best one was what the teacher presented, a potato gun! When my son, Peter saw that he was amazed and [...]
Cannons to shoot potatoes
Last month, I rented a video of an old movie and there was a war going on in it and the soldiers used cannons to blast others off their feet. I found this very fascinating and I really wanted a cannon for myself. I asked my friend about it and he told me that I [...]