News tagged with dye

Chemists fabricate novel rewritable paper

First developed in China in about the year A.D. 150, paper has many uses, the most common being for writing and printing upon. Indeed, the development and spread of civilization owes much to paper's use as ...

Dec 02, 2014
3.7 / 5 (16) 3

An easy way to see the world's thinnest material

It's been used to dye the Chicago River green on St. Patrick's Day. It's been used to find latent blood stains at crime scenes. And now researchers at Northwestern University have used it to examine the thinnest material ...

Dec 23, 2009
4.8 / 5 (12) 1