The 'weird events' that make machines hallucinate

The passenger registers the stop sign and feels a sudden surge of panic as the car he’s sitting in speeds up. He opens his mouth to shout to the driver in the front, remembering – as he spots the train tearing towards them on the tracks ahead – that there is none. The train hits at 125mph, crushing the autonomous vehicle and instantly killing its occupant.
Read more: http://www.bbc.com/future/story/20181204-why-we-should-worry-when-machines-hallucinate?source=Snapzu