Scientists in China have transmitted encrypted images a record 12,900 kilometers, paving the way for quantum messaging ...

Lasers are known for the monochromatic nature of their light, so much so that you might never have thought there could be such a thing as a white laser. But in the weird world of physics ...

Wallpaper* is part of Future plc, an international media group and leading digital publisher. Visit our corporate site.

[Joey] already has his early start on the decorations, with a house-sized light show using LED strips and a laser projector that he built last Christmas. What started off as a thought that it ...