Why Green Means Go – The Science of Traffic Lights

Green is universally seen as the color for “go”, but why? What is the science behind green being such a universal “go” color? Why do traffic lights around the world use green? And why do other colors, such as red and yellow, mean certain things to humans? What’s so special about these colors? In this episode, I will take you into the science of color psychology, the science of the visible light spectrum, and what these colors really mean.

Here’s an article! It is called “The Visible Light Spectrum” (https://spectacularsci.com/2024/02/visible-light-spectrum/)

Here’s an activity! It is called “Observing Colors Around You!” (https://spectacularsci.com/2024/11/observing-colors-activity/)

Do you have science questions that you want answered on an episode? Grab an adult and head over to https://spectacularsci.com/contact!