Germanium - Periodic Table of Videos
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The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about germanium. Discover this shiny metal named after Germany.
The first diodes and transistors were made not with silicon, but with germanium. Nowadays, major uses of germanium are fiber-optic systems and infrared optics, as well as in solar cell applications.