I’m a bit of an old fart and not collage educated so, please be gentle. Subject of my question: speed of light & electricity. For some reason that I don’t remember I have always thought that electricity traveled at the speed of light. Today I have my doubts. My education is obviously lacking so bear […]
How can I create an electromagnet strong enough to pull a small metal object (e.g.) a fork in from 25-30 feet away? Basically, I want a very strong electromagnet with a large reach. I want to know a theoretically super-powerful design, and, if possible, a method of constructing this at home. If there are any […]