China currently makes 92% of rare-earth element magnets that are used in EVs and power-generating windmills and also makes ...

HeNe Helium neon lasers are a type of gas laser where a mixture of helium and neon gases is used as the active or gain medium. Holmium Holmium lasers are a type of solid state laser using holmium as ...

The groundbreaking laser converts energy into radiation with an over 50% rate of efficiency, while other types of solid-state ... 2-micron flashlamp-pumped holmium lasers, but these devices ...