Samarium helped to form the first high-strength permanent magnets, in the form of samarium-cobalt alloys. This element helped make the first lightweight headphones possible.
|
| |||||||||||||||||
|
Sm - Samarium Samarium helped to form the first high-strength permanent magnets, in the form of samarium-cobalt alloys. This element helped make the first lightweight headphones possible. | |||||||||||||||||