The US Government just unveiled the fastest computer ever created (the human brain excluded). This computer is twice the speed of the previous IBM Blue Genie and cost over $100 Million dollars.
To put the processing power in perspective, Thomas P. D’Agostino of the National Nuclear Security Administration said that if all 6 billion people on Earth entered calculations on a calculator for 24 hours a day, seven days per week it would take 46 years to do what Roadrunner can do in one day.