germanium

Scene of researchers discussing telecommunication technology - man…

Different scenes of experiments of the semiconductors. CU on germanium…

An animated diagram shows the first experiments with an amplifying…

The first working transistor made of plastic, germanium and wires. Dr.…

A germanium crystal grows in a glowing vat, and is pulled out. CU on a…

Names and diagrams from science books layer and move across the screen…