Pecking Away

Green Means Go!!!

AllanPeck Season 1 Episode 24

Use Left/Right to seek, Home/End to jump to start or end. Hold shift to jump forward or backward.

0:00 | 3:29

It's been universally accepted.  Red.  Yellow.  Green.  We all know what those mean, but how and why did we land on those colors for our stoplights?