They use a coil of wire or a solid-state "Hall effect" sensor, both of which put out a pulse when a magnet sweeps past them. The sensor is positioned along the edge of the flywheel. A hole is drilled in the edge and a small magnet inserted.
That's about it. Ancient_Hacker 52 months ago.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.