Ray Kurzweil recently predicted that humans will reach immortality in eight yearsA former Google engineer has made a stark realization that humans will achieve immortality in eight years - and 86 percent of his 147 predictions have been correct. These tiny robots will repair damaged cells and tissues that deteriorate as the body ages and make us immune to diseases like cancer. 'We're going to get more neocortex, we're going to be funnier, we're going to be better at music. 'We're really going to exemplify all the things that we value in humans to a greater degree.' Rather than a vision of the future where machines take over humanity, Kurzweil believes we will create a human-machine synthesis that will make us better.