LEDs: Light Pollution Solution or Night Sky Nemesis?
High pressure sodium lights, with their familiar orange glow, are quickly being replaced by new, energy efficient blue-white LED (light emitting diode) lighting. Is this the beginning of a new assault on the night or ... has to do with color.
When animals light up: Bioluminescence
I can see them hovering in my Brooklyn yard: tiny balls of yellow light that flicker ... feed on prey and move around like animals, they can also convert the sun's rays into food using chlorophyll in the same way plants do. If you want to see the coolest ...
Sorry: Glow In A Cat`s Eyes Is Not The Look Of Love
When you see an animal at night and its eyes glow, like ... light reflecting from the eye`s blood vessels, a phenomenon we see in humans sometimes. A cat with a very well developed tapetum lucidum will have a greenish-yellowish glow. ``But it has nothing ...
Why Kitty's Eyes Glow in the Dark
(Newser) – A black cat's eyes may frighten in the dark, but that glow ... and other animals bounce the light back with a reflective surface on the eye. That gives the light a second chance to shine in. Why the color variety? Substances like riboflavin ...
Chinese ‘Starchild’ Alleged To Have X-Men-Like Cat Vision
So how catlike are Yousui’s eyes really? The part of a cat’s eye, and the eyes of other animals like dogs, horses and deer, that gives them that eerie night glow ... we do. That is, better than most, but not all of us, if we believe the Chinese report.