iam a Bsc( graduation in physics).iam sure that i can increase your knowledge in physics.i can write essays based on relativity,classical mechanics,electrodynamics,astrophysics etc. i can also teach physics in a very simple way and using simble english.if you give me a subject a can write essays and fictions on that topic in physics.iam from a very poor family background. i am doing this to pursue my dream to became a scientist