That supercomputer in your pocket

If you bought an iPad 2, get this: it's about 10 times faster than the first iPad, because of design changes in the microprocessor.

But get this: it's estimated that the iPad 2 would have stayed on the list of the world’s fastest supercomputers through 1994.

Dr. Jack Dongarra, who is on the computer science faculty at the University of Tennessee and a researcher at Oak Ridge National Laboratory