Physicist Rhett Allain is a regular contributor to Wired.com, where he writes a popular column explaining the physics of everything from curving soccer kicks to Star Wars bombers. He is the author of four books, including Angry Birds: Furious Forces and Geek Physics, and is a technical consultant for TV shows like MacGyver (CBS) and MythBusters (Science Channel). He likes to take apart things but can’t always put them back together.