News tagged with white paper

White LEDs directly on paper

Imagine a white luminous curtain waving in the breeze. Or wallpaper that lights up your room with perfect white light. The applications are not very far away. White LEDs, made from zinc oxide and a conducting polymer, can ...

Jul 10, 2012
4 / 5 (6) 3

Companies yank cord on residential phone books

(AP) -- What's black and white and read all over? Not the white pages, which is why regulators have begun granting telecommunications companies the go-ahead to stop mass-printing residential phone books, ...

Nov 11, 2010
3 / 5 (2) 0

How white is a paper?

Whiter paper and better color reproduction are examples of important competitive advantages on an international market. But how white is a paper? And why do vacation photos turn out so dark if you don't buy ...

Oct 22, 2009
3.5 / 5 (2) 0