Cathode rays were discovered by Julius Plücker and Johann Wilhelm Hittorf. By placing a charge across a glass tube with a vacuum inside and a phosphor coating outside, it was possible to get a bright glow. Electron travels in straight lines and leave shadows. If the cathode rays hit a paddle with a phosphor coating, it would force the paddle to move signifying that cathode rays are particles (1 Jan 1803 Jahr – 1 Jan 1900 Jahr)
Zugefügt zum Band der Zeit:
Datum:
1 Jan 1803 Jahr
1 Jan 1900 Jahr
~ 97 years