'Never summon a power you can't control': Yuval Noah Harari on how AI could threaten democracy and divide the world

Forget Hollywood depictions of gun-toting robots running wild in the streets - the reality of artificial intelligence is far more dangerous, warns the historian and author in an exclusive extract from his new book Throughout history many traditions have believed that some fatal flaw in human nature tempts us to pursue powers we don't know how to handle. The Greek myth of Phaethon told of a boy who discovers that he is the son of Helios, the sun god. Wishing to prove his divine origin, Phaethon d...