Researchers blind autonomous cars by tricking LIDAR

As I was on the motorway, I saw a man who wasn't there. Then things went pear-shaped

If you've ever been dazzled by some idiot's high-beam driving towards you at night, you'd probably welcome a self-driving car - except one of the key "eyes", LIDAR, can also be blinded, or tricked into reacting to objects that aren't there."