The Best Tech Newsletter Anywhere
Join 425,000 subscribers and get a daily digest of news, geek trivia, and our feature articles.
Our Newsletter for:
If you’ve ever dreamed about hiking to the end of the rainbow (in search of treasure or otherwise), we’ve got some bad news for you: you’d never get there. Rainbows are actually circular and have no end—they only appear as arches in our field of view due to the curvature of the Earth. If you ever have the good fortune to see a rainbow from an airplane or other very high location, you’ll see the whole circle.