In this paper, we describe a novel concept for creating multicolor light reflectors by mimicking the surface structures of tiger beetle shells. We prepared dimpled and multilayered films containing ...
It goes against everything you may believe - but totally works.
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 ...
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 ...