A rainy Met Gala on Monday included a Rihanna pregnancy announcement, a tuxedoed choir and a trend true to the menswear theme: Emma Chamberlain, Zendaya, Teyana Taylor and many other women in ...

Black and White Laser Printer Versus Color Laser Printer. At its introduction in 1993, the first color laser printer on the market carried a $12,500 price tag.

Optical spectroscopy techniques are used in physics, astronomy ... (70 mol%) Eu content paves the way for sustainable warm-white LEDs. Maximilian Stremel; Markus Suta; News & Views Open Access 13 ...