The soldiers use truck-mounted machine guns to shoot down Russian drones packed with explosives. The Ukrainians said they are fueled by anger at Russia and a desire to protect their country.

They are the battlefield innovators who have taken Ukraine’s fight against Vladimir Putin’s war machine deep inside Russia. A Ukrainian drone operator has given a rare insight into the ...

They will be marked on how much better their version is than the machine’s: how much more original, creative, perceptive or accurate. Or give them the AI version and tell them to improve upon it ...