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See the new sign and blue light in upper right. (Photos: J. Maus/BikePortland) PBOT has been trying to educate bicycle riders how to get green lights for a long time now. I spotted their latest effort ...
[KLOZ] submitted his final project from college. Rather than an expensive CCD camera, he used a set of colored resistors LEDs and a light dependent resistor (I’m assuming he means a photo resistor) to ...
Newly discovered two-cell color detection system of lamprey as clue to the evolution of color vision
Using the lamprey, researchers analyzed the photosensory mechanism of the pineal organ, also called the pineal gland, in non-mammalian vertebrates and discovered a novel mechanism of pineal color ...
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