CHICAGO — A giant, blocky, red-brick building rises above a sea of two-story houses, filling an entire city block in the Back of the Yards neighborhood. The area is named for the stockyards at the ...

Earlier this month, Andrej Karpathy, a well-known AI researcher who was one of the founding employees of OpenAI and later headed up AI for Tesla, went viral on X. This alone isn’t so unusual. Karpathy ...