the.com/erbium
a shy pink metal that quietly powers every long-distance phone call you've ever made
fiber backboneamplifies light signals across ocean-spanning internet cables
swedish rootsnamed for tiny village Ytterby, like three other elements
pink glowits salts tint glass and ceramics rosy
laser surgeonerbium lasers resurface skin and drill teeth
nuclear controlabsorbs neutrons to dampen reactor reactions