Theoretically, this paper airplane will fly for as long as you continue to walk with and guide it, say Stephen Voltz and Fritz Grobe, aka "The Coke and Mentos Guys." We have it on good authority that ...

Introduction Here's a challenge: Try throwing a paper airplane by moving just your wrist (don't move your elbow or shoulder). It's hard, isn't it? How could you get a paper airplane to fly far if you ...