What Makes an Invention Great? What makes an invention great? Sometimes it solves a problem you didn't think could be solved. Skyscrapers can't turn invisible. Pens can't write in midair. Paraplegics can't walk. Except now they can. And sometimes an invention solves a problem you didn't know you had. Maybe you didn't realize you needed to eat a doughnut and a croissant at the same time, or resurrect an extinct frog, or turn your entire body into a living password. Now you do. Want a list of the best things that were invented in 2013? Now you have one. Just keep reading. For ease of consumption, the inventions have been placed in order - using rigorous, objective and scientific criteria - beginning with the most fun and ending with the most useful. Next The Driverless (Toy) Car