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Science

(1,972 posts)

1. I remember reading a long time ago that traffic lights are not actually "red" and "green"...

Sun Feb 12, 2023, 07:54 AM

Feb 2023

...due to the high prevalence of red-green color blindness in humans, but rather off shades designed to thwart red-green color blindness.

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Scientists suggest to add white colour in traffic lights to help self-driving cars [View all] Judi Lynn Feb 2023 OP

👇👇👇 Goonch Feb 2023 #2