8 Brilliant Scientific Screw-ups

Hard work and dedication have their time and place, but the values of failure and ineptitude have gone unappreciated for far too long. They say that patience is a virtue, but the following eight inventions prove that laziness, slovenliness, clumsiness and pure stupidity can be virtues, too.
Interesting article talking about the screw-ups of history that lead to these innovative discoveries. I particularly liked the Photography section of the article.