In a short interview snippet, Karpathy, who recently stepped down from being director of AI for Tesla, explains their reasoning for taking out radar, ultrasonics, and never using LIDAR or detailed maps.

"The best part is no part" is Elon's philosophy, and it's a valid one, if you are an automaker who wants to lower costs. But is it the right philosophy if you want to be first on the road with a safe robocar?

I discuss these issues on Forbes.com in Andrej Karpathy, former AI head at Tesla, explains taking out sensors

Plus some other recent articles from the weekend:

Electric Cars Are Already Cheaper Than Gasoline Ones; Financing Companies Are Trying To Show That

Argo.AI Dies While MobilEye Soars On The Same Day, What Does It Mean For The Industry? Was Argo shopped around and nobody bought? Or is there another explanation. No matter what, it bodes ill for the industry, but that ill may be reversed by MobilEye's surprise.