At least the world knows what it is like to live in the shadow of nuclear weapons. There are much bigger question-marks over how the rapid advances in artificial intelligence (AI) and deep learning will affect the way wars are fought, and perhaps even the way people think of war. The big concern is that these technologies may create autonomous weapons systems that can make choices about killing humans independently of those who created or deployed them.
War is still a contest of wills, but technology and geopolitical competition are changing its character, argues Matthew Symonds.
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