Recent content by fluid

The basics: To solve equations simultaniously you need to set them equal to each other. It helped me to think of it graphically. When you set two equations of 2 lines (y=mx+c) equal to each other you will find the intersecting point (the solution).

Surely a PMM will have to work from gravity or permanent magnets. Without climbing into the atom, these forces are the only ones we know that are not bothered by the Conservation of Energy Law. Why does the Earth not get "tired" of holding everything down ? How can a permanent magnet...