31 Jan 1897 Jahr - Cathode Ray Tube
Beschreibung:
The Cathode Ray are streams of electrons observed in vacuum tubes, If an evacuated glass tube is equipped with two electrodes and a voltage is applied, glass behind the positive electrode is observed to glow, due to electrons emitted from and traveling away from the cathode. Invented by Karl Ferdinand Braun
Zugefügt zum Band der Zeit:
Datum: