A recently leaked American intelligence document shows just how difficult it's been to keep Ukraine's jets in the air. Since the start of Russia's invasion, Ukraine's air force has lost 60 fighter aircraft. Shashank Joshi is the economist's defense editor at Babidja Science and Technology.
Geoffrey Hinton, a legend of artificial-intelligence research, wants to be able to speak his mind about the technology’s risks. We ask whether those steeped in a field are best-placed to judge it. It has long been clear Ukraine needs more fighter jets; we look at the ones it may get at last. And the first video game about the Holocaust.
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