Peg uses a magic ukulele to find the line of symmetry on shapes. Peg uses a magic ukulele to find the line of symmetry on shapes that form steps. The steps should lead her to the Kingdom of Day, where ...

Imagine you are about to create a universe. How would you do it? As soon as you say “let there be the laws of physics” you would immediately face a problem. Do the same laws hold for everyone in your ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. If you want to fully describe how the Universe works at a fundamental ...