. >> reporter: ray kurzweil may not be a household name, but the blind know who he is. he invented the first reading machine and then reduced its size to a hand-held gadget. kurzweil will be remembered more as a man on a mission to tell the world what life will be like in the age of technology. microsoft billionaire bill gates said he is the best in the world at predicting the future, and what a world he predicts. >> this is a design of a robotic red blood cell. we are going to put these technologies inside us, blood-cell-size devices that will augment our immune system, make us a lot healthier, destroy disease and dramatically push back human longevity, go inside our brains and actually enable us to remember things better, solve problems more effectively. we are going to become a hybrid of machine and our biological heritage. in my mind, we are not going to be transcending our humanity. we are going to be transcending our biology. >> reporter: kurzweil has written several books. one of the most recent, called "the singularity is near," predicts that by the year 2050 no