Recent content by thehoyboy

Why does it seem that modern physicists have thrown out Einstein's theory of gravity warping space-time for the idea that the force of gravity is caused by a specific particle? Has Einstein's theory been discredited or is it just simpler for the Unification of the four forces for gravity to be...

I had a lab to do for Physics, and we used a variable voltage source and an electromagnet with 60 turns of copper wire. What is the equation to use to find the magnetic field strength B using relative permeability of a soft iron core? i cannot find this equation anywhere... plus, what is the...