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Computers can drive cars, land a rover on Mars, and beat humans at Jeopardy. But do you ever wonder if there’s anything that a computer can never do? Computers are, of course, limited by their hardware. My smartphone can’t double as an electric razor (yet). But that’s a physical limitation, one that we could overcome if we really wanted to. So let me be a little more precise in what I mean. What I’m asking is, are there any questions that a computer can never answer?
