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Coloured spheres

DeepMind’s virtual psychology lab seeks flaws in digital minds

5 February 2018

Google’s AI company has released a simulated 3D environment in which machines can pit themselves against cognitive tests designed for humans

Suspected railgun on Chinese ship

Leaked photos suggest China may now have a hypersonic railgun

2 February 2018

A ship-mounted electromagnetic railgun, firing projectiles at more than Mach 6 over great distances, could let China dominate the seas

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