Send Some Dangerous Airmail With These Weaponized Paper Planes

We've all done our fair share of chucking paper airplanes at friends. And maybe, if you're a real engineer, you've made some clever, paper-folding modifications that let your plane do a loop—or better yet actually land on target. Joerg Sparve has turned his eye towards those paper aircraft, and needless to say, the outcome can do damage. More »