So, people see best in the wavelength around 500nm which is a green/blue color. Why aren’t car headlights this color to improve visibility? Why can’t you buy headlight bulbs that emit bright green light? A white light with a green filter would just make it more dim, but on headlights you want brightness.
In: Technology
Because anything that doesn’t reflect green light would appear black. The brown deer. The pedestrian with the red jacket. The gray K-rail.
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