Quotes About Rare-earth

free of carrier material. . . .1606 This precipitate of 94, which was viewed under the microscope and which was also visible to the naked eye, did not differ visibly from the rare-earth fluorides. . . . It is the first time that element 94 . . . has been beheld by the eye of man.

Neodymium is one of 17 'rare-earth metals,' and these elements have turned out to be critical to the rapidly-growing green technology industries.