The quest to build an artificial brain

 Microsoft co-founder Paul Allen is spending $500 million funding two projects aimed at creating an artificial mind. But what needs to be done and how long will it take? Paul Allen has been waiting for the emergence of intelligent machines for a very long time. As a young boy, Allen spent much of his time in the library reading science-fiction novels in which robots manage our homes, perform surgery and fly around saving lives like superheroes. In his imagination, these beings would live among us, serving as our advisers, companions and friends. Now 62 and worth an estimated $17.7 billion, the Microsoft co-founder is using his wealth to back two separate philanthropic research efforts at the intersection of neuroscience and artificial intelligence that he hopes will hasten that future.…


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