Sentences with phrase «black pigment particles»

Not exact matches

When the team bombarded the fossils with charged particles and then analyzed the particles that were knocked from the surface (a technique called time - of - flight secondary ion mass spectrometry), they chemically identified the remnants of eumelanin, a pigment that typically lends a black or brown color to skin or feathers.

An interim solution was found in the three - color - ink display which operates similarly to the monochrome one, the only difference being that a third pigment is added to the black and white particles of the EPD film.