Reddish colors have a long wavelength. Bluish colors have a shorter one. Just as there are many notes on the piano, many wavelengths of light match the different colors. ... Red-Green Color Blindness.

Our retinas contain certain photoreceptive cells, known as cones, that allow us to see color. There are three cone types that correspond to different wavelengths of light: short-wavelength (S ...

For decades color image sensors have almost always used a Bayer color filter array, filtering incoming light into red, green and blue wavelengths which are then captured by corresponding ...

It's not easy being green. Scientists for years have made small red and blue lasers, but other colors, including green, have been a challenge. A team has now filled this technology gap by creating ...