Wow dysprosium is literally unobtainium: > On succeeding, he named the element dysprosium from the Greek dysprositos (δυσπρόσιτος), meaning "hard to get". htt

Wow dysprosium is literally unobtainium: > On succeeding, he named the element dysprosium from the Greek dysprositos (δυσπρόσιτος), meaning "hard to get". https://en.wikipedia.org/wiki/Dysprosium https://en.wikipedia.org/wiki/Dysprosium (sorry for OT)