ultraviolet ray

For decades, germ-killing UV rays have been used to disinfect various objects and surfaces.

ESO recently published a series of central shots of a cosmic cloud called RCW 38, along with the newly created stars and planetary systems.

Although very small in front of the giant iron bird, birds can seriously damage human property, not to mention the worst case of causing the plane to fall.

Researchers at the Georgia Institute of Technology used zinc oxide microfibers to significantly improve the efficiency of ultraviolet light emitting diodes.

By using lasers to combine and decompose molecules, scientists have invented the 3D optical data storage technology.