Rainbows are optical phenomena resulting from the interaction of sunlight, water droplets, and the human visual system, not physical objects. Scientific understanding of rainbows developed over ...

Partha Chowdhury does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Hannamyluv Healther Rhoades/Wikimedia Commons (CC BY-SA 4.0) Everyone has seen a rainbow, and just about everyone loves getting to see the various colors arching through the sky. When the rainbow is ...