gulshan

light travels as electromagnetic waves and does not need any mediumm to travel through. sound is produced when the particles of medium get oscillated but when there is no medium htere is no sound

I want help in making superconductors at room temperature. A interestig thing about these superconductors is that in these the resistance and the potential difference is zero then also the current flows through it.i am just unable to understand it.

hey friends i am gulshan and i have made my own mathematical theorem for isosceles triangle . email me at email deleted to get more information. Actually i want to get it registered in my name . do anyone knowthe procedure? if yes please tell me