Why Is The Sky Blue? – Do You Know? Finally, a simple answer to every child’s question! Paolo Di Trapani, professor of optics from the University of Insubria, explains why the sky is blue. Share this video if it helped you to understand! Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Science Explains Why Rich People Don’t Care About You Breakthrough In Human Space Hibernation Is it Possible to Curve a Bullet? | MythBusters Did Science Just Prove Women Are Nicer Than Men? How Hyperboloids Work How do animals experience pain?