Retroreflectors; they're everywhere, and they cheat physics (sort of) Technology Connections : Season 6 Episode 20
TV-PG YouTube
Aired: August 31st, 2020 @ 12:00 AM EST on YouTube
Road signage and other markings may be something you take for granted, but have you ever wondered how they can appear so brightly with just the output of your headlights? Find out how, and get a load of other trivia, in this video!
