the.com/erbium
a shy pink metal that quietly powers every long-distance phone call you've ever made
means Erbium is a soft, silvery rare-earth metal (element 68) whose pink-tinted compounds are used to amplify light in the fiber-optic cables that carry the world's communications.
from Named for Ytterby, a tiny mining village near Stockholm, Sweden, whose feldspar quarry yielded an astonishing haul of new elements in the 19th century. The Swedish chemist Carl Gustaf Mosander teased apart the village's ore into several 'earths,' and the single name Ytterby ended up scattered across the periodic table — splintered into erbium, terbium, ytterbium, and yttrium. So this metal's name is really half a place-name, the leftover syllables of a quarry town that quietly seeded a whole family of elements.
- fiber backbone
- amplifies light signals across ocean-spanning internet cables
- swedish roots
- named for tiny village Ytterby, like three other elements
- pink glow
- its salts tint glass and ceramics rosy
- laser surgeon
- erbium lasers resurface skin and drill teeth
- nuclear control
- absorbs neutrons to dampen reactor reactions
erbium-doped fiber amplifier — telecommunications technology that amplifies signals in optical fibers, deployed globally since 1989 in undersea cables
erbium laser — medical device used in dermatology and dentistry, emitting 2.94 micrometer wavelength light for tissue ablation