His parents wouldn't let him play video games, so Dong Woo Jang had to invent other ways to entertain himself in and around his Seoul apartment. First, he studied spider anatomy and hunting skills for three years, creating their habitat in his room. Next, Dong headed outside, where he picked up fallen tree branches and turned them into archery bows.

Later, while researching the age-old craft, he discovered that his optimal design was strikingly similar to that of his ancestors. Though he concedes that, during his process of fixing, breaking, redesigning, mending, bending, and amending bows, he accidently set his building on fire. The 15-year-old says that working with wood -- and traveling back and forth in time -- makes him feel free.

Inventors, TED Innovation, Creativity,