Around the middle of the 20th century, though, tattoo artists started making their own inks using synthetic pigments and dyes. Today, nearly all pigments used in tattoos are made of synthetic ...

75 percent of allergic reactions were against the red color. Until the mid-20th century, the reason for red’s ravages was clear: Red tattoo inks often contained mercury. But as the adverse effects of ...

A Binghamton University study of European green and blue tattoo inks revealed that 9 out of 10 inks violated EU regulations by containing unlisted and banned substances. The researchers stress the ...

[Jens] has just the thing. He built a color-mixing toy that looks great and we’d bet you have everything on-hand necessary to build your own version. The body of the toy is an old router case.

Take a stroll down the street when the weather is warm and you're almost certain to see someone brandishing a tattoo on their ...

The colour mode supports a palette of 4,096 colours. It's worth noting that e-ink refreshes more slowly than traditional displays, so some Android apps won't feel as smooth on this display.

The display [Charles] chose was a generous 5.65″ unit with a total of seven colors. A little hacking ... printed on a textured paper with muted inks. The prank idea was simple — present ...

Amazon’s first ebook reader with a color screen went on sale last week, and disappointed consumers have been griping ever since. It’s bad news for Amazon, and for Billerica-based E Ink ...

THE WEEK’S MOST POPULAR SONGS RANKED BY RADIO AIRPLAY DETECTIONS ON DANCE-FORMATTED STATIONS AND MIX SHOW PLAYS ON MAINSTREAM ... week Weeks at no. 1 Weeks on chart Payday/Helix Gains In ...

The E Ink world has been working on similar tech for a while, and Amazon thinks it’s the key to making color work well. The Colorsoft has new LED pixels, and a new way of shining light through ...

E Ink screens ... of the color-shifting purses made their debut last month at Paris Fashion Week, and the reaction was promising. “Our project demonstrates the drive to mix this extraordinary ...