Recent content by isoics

I want to become either a theoretical physics or something robotics/engineering related. I've always been into maths and physics and I like electronics and programming as a hobby. I also want the career that gives me space for ambition, since I want to rise to the very top(do I sound naive?)...

I mean the magnetic power of the domains. The domains themselves never seem to wear out, and since magnets can be used for doing work, it sounds like free energy. So does that mean the ball would not move in my made up experiment(after the ground disappears)? Does this also mean that when...

I should not have said no forces acting on the ball, I'll change that to "there is nothing other than an observer and the ball in the universe but the observer doesn't affect the ball in any way". What I am trying to find is if the ball literally stores the energy, so it moves even after the...

So where do the electron spins get that force?

I have a few questions. They are very basic and stupid but I need to understand. Please correct me if I am using wrong terms or some of my facts are wrong. The first one is about potential energy. Now, imagine a ball is held up high above the ground. You would say it has potential energy, that...