Scientists introduced atomic defects in spinel using cerium, and voilà! The gemstone became a solid qubit system.

The rarest gemstone in the world is considered to be a transparent mineral of reddish-orange color, of which only one specimen has been found throughout history. It is regarded as a sensation for ...

Aluminum oxide also makes transparent gemstones like rubies. However, there is some — kind of — transparent aluminum at the end of the video. The thin aluminum film on a plastic substrate ...