LET’S start with a question: How often does your internet go down at home? My router sits in a cupboard for months on end, no one ever goes near it and yet the darned thing regularly goes on the blink at the worst moment. At some stage, all computers, phones and devices will have a hissy fit and fail to function. So why do we think self-driving robot cars will be any different? Why should we expect them not to malfunction at a critical moment? But when a self-driving car has a computer meltdown, it’s not like missing out on the football results or who’s won Love Island. The consequences will be far more serious. At the very least, you will probably end up in the back of an ambulance. Or worse, it could be fatal.