Dean Kamen's water distiller machine

The distiller is a chemical-, membrane-, and filter-free water purifier. Kamen claims the box draws pure drinkable water from oceans, poisons—even a 50-gallon drum of urine. He has reportedly worked on the contraption for five years, but early prototypes were not so good looking. This one looks ready for mass production, and with enough, Kamen says we could "wipe out 50% of human disease. This guy should get a Nobel prize, as simple as that.