News tagged with dye

Do synthetic food colors cause hyperactivity?

Food coloring is the reason glace cherries are red rather than beige and that children's tongues sometimes appear freakishly blue. But man-made dyes may do more than make processed food look vibrant and whimsical. Some blame ...

Jan 06, 2011
5 / 5 (4) 4

Off-the-shelf dyes improve solar cells

Like most technologies, work on solar devices has proceeded in generational waves. First came bulk silicon-based solar cells built with techniques that borrowed heavily from those used to make computer chips. Next came work ...

Aug 31, 2010
4.8 / 5 (4) 0 | with audio podcast