The latest in the BBC's series on artificial intelligence sees us look at the ethics of developing machines that could outsmart humans.
David Shukman has been to a NASA laboratory in California to see how far we have come in developing robotic technology.
Read more http://www.bbc.co.uk/news/technology-34259713#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
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