Mind the gap—between dream and reality

Ray Kurzweil, inventor, futurist and now director of engineering at Google, believes that by 2045 it will be possible to upload our brains to a computer. At that point, we (or at least those who can afford it) will achieve digital immortality. This is a common aspiration among transhumanists – so common, that Kenneth D. Miller, a professor of neuroscience at Columbia and a co-director of the Center for Theoretical Neuroscience, used the op-ed page of the New York Times to dump a bucket of very cold water over it. Here are some excerpts: While progress is swift [in mapping the brain], no one has any realistic estimate of how long it will take to arrive at brain-size connectomes. (My wild guess: centuries.) … Neuroscience is progressing rapidly,…


Link to Full Article: Mind the gap—between dream and reality