Licht, Waerme, Strahlen / Magnetismus, Elektrizitaet, Induktion / Daemonen und Geister

Licht, Waerme, Strahlen / Magnetismus, Elektrizitaet, Induktion / Daemonen und Geister

Photoelectric Selenium Cell
Demonstration of the photoelectric effect, around 1904

The photoelectric effect of selenium is discovered at the end of the nineteenth century. Exposure to light increases the conductivity of the semiconductor selenium by more than ten times. This discovery becomes the point of departure for the development of semiconductor technology.

[ Sitemap ] [ info ] This website was created with Virtual Spaces.