Scientists introduced atomic defects in spinel using cerium, and voilà! The gemstone became a solid qubit system.
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 ...
A new report from coloured gemstones miner Gemfields on the emerald, ruby and sapphire markets “… serves as a reminder of how far the coloured gemstone industry still has to go to reach the levels of ...
The gemstone spinel, known for its vibrant colors resembling gems like rubies and sapphires, has now been shown to be capable ...