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 Why Do Kids Learn Faster Than Adults? Can We Use Space Lasers To Clean Up Space Junk? 8 Examples of Extremely Intelligent Animals The Mysterious Hexagon On Saturn Discover an Undersea Laboratory Which Country Has The Best Technology?