IYPT 2019 Elements 032: Germanium: Camera lenses and guitar effects pedals

Element 32 in our International Year of the Periodic Table series is germanium. Found in some camera lenses and guitar effects pedals, it’s also present in some LCD TVs. Germanium oxide has a high index of refraction, meaning light travels through it particularly fast. This gives it applications in wide angle lenses for cameras and microscope […]