Semiconductor lasers are capable of emitting over the full visible color spectrum, which is necessary to produce a white laser, researchers have demonstrated. The technological advance puts lasers one ...

Question: So I want to print in color, and with the cost of color lasers coming down, I am wondering: laser versus inkjet? When does laser make sense? It’s true that the cost of color laser printers ...

Incandescent bulbs, LEDs, and CFLs may soon have to budge up because a new lighting technology is in town – white lasers. Using nanotechnology to create a bespoke semiconducting material, a team of ...