Episode 175: Why Are Warning Lights Red? The Science of the Color Red

The color red is everywhere! But, have you noticed that most warning lights are red? Fire truck sirens, airplanes, brake lights, traffic lights, and even on top of skyscrapers! Why is the color red used in warning lights and what is the science behind it? In this episode, I will take you behind the science of the color red and why it is used as warning lights.

Here’s an article! It is called “What is Light?” (https://spectacularsci.com/2024/05/what-is-light-article/)

Here’s an activity! It is called “Mixing Colored Lights Activity!” (https://spectacularsci.com/2024/05/mixing-colored-lights-activity/)

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