Roborace reveals a working prototype of its self-driving racecar

It's almost been a year since we first learned about Roborace, the autonomous racing series that will run alongside Formula E next season. Since then, though, the series has been pretty tight-lipped, offering up some tantalizing renders of the cars but little in the way of information about when or how the series will run. Today we know a tiny bit more, because the series posted a video of an actual car using actual wheels and no actual human driving — very briefly — around