. >> dario gil, spanish born with a ph.d. in electrical engineering, gil is head of research at ibm. >> how much faster is this than, say, the world's best supercomputer today? >> we are now in a stage where we can do certain calculations with these systems that would take the biggest supercomputers in the world to be able to do some similar calculation. but the beauty of it is that we see that we're going to continue to expand that capability such that not even a million or a billion of those supercomputers connected together could do the calculations of these future machines. so, we've come a long way. and the most exciting part is that we have a roadmap and a journey right now where that is going to continue to increase at a rate that is going to be shocking. >> i'm not sure the world is prepared for this change. >> definitely not. >> to understand the change, go back to 1947 and the invention of a switch called a transistor. >> the transistor, a new name. >> computers have processed information on transistors ever since,