World boomerang champion Logan Broadbent demonstrates how to make an indoor boomerang, aka "roomerang," using just a few pieces of paper, glue and scissors. and I'm a competitive boomerang thrower.

Ever wonder what makes a boomerang fly? World champion thrower Logan Broadbent says it's pretty simple. "Basically the best way to think of it is that each wing is an airplane wing," he says. "The top ...