B.e. 2408 James class, click student mathematics and physics Maxwell found that electromagnetic waves moving as fast as light waves, and can send signals in the air. No cables needed
Since 2408, James Clark Maxwell, a mathematician and physicist. Electromagnetic waves that travel as fast as light waves. And can transmit signals in the air. No wires
The 2408 James Clark Maxwell, mathematicians and physics. Found that the electromagnetic waves can travel faster than light waves. And be able to signal in the air, no need to use the line.