Tag: Infrared

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Can humans see infrared? With a special diet they can!

A typical human eye can detect light in a wavelength range of 380 to 700nm. As is well known freshwater fish are able to see in the near infrared range (NIR), by transforming Vitamin A2 into the visual pigment porphyropsin (or something along those lines). Science for the Masses, a group of individuals dedicated to ...