Photoelectric sensors can now differentiate among hues on packages and products to help speed production. Most engineers are familiar with photoelectric sensors. Here a source, often an LED, beams ...

Most of the GO cells were fabricated using flat glass substrates. GO particles tend to align parallel to the surface due to surface effects. For comparison, we prepared an uneven cell, which was ...

Twin Cities metalcore band Reflections are now streaming their brand new album, titled The Color Clear, in full ahead of its official release tomorrow, September 18, through eOne. You can stream ...

The body hairs of the Saharan silver ant cause total internal reflection of light to make the ants almost ten times more reflective, preventing overheating and yielding their silver sheen, according ...

Photographer’s description: “Autumn colors are always fascinating. It was so calm with a perfect reflection on Jolanda Lake near Leavenworth … When I came close to the water, I found that the ...

Robert Irwin, “Stella Dallas” (2017), shadow+reflection+color 72 x 95 1/4 x 4 1/4 inches (all photos by Philipp Scholz Rittermann) SAN DIEGO — There are no drawings in Robert Irwin’s new exhibition, ...

Despite Meryl Streep’s magnificent speech in “The Devil Wore Prada” on the sudden profusion of “cerulean blue” in fashion, nobody ever gets riled up over the color blue. But pink? Oh, that’s a color ...