India's track record suggests that building AI models could run up against scaling and capital challenges. A better strategy might be what Infosys co-founder Nandan Nilekani proposed last year.

A model of a Lockheed Constellation built from a non-standard scales nearly 60 years old. Back then, most models were designed to fit a very specific box size. [Courtesy: Terry Moore] Scale modeling, ...

Tesla’s family of electric cars is set to expand considerably in the coming years. The company is working on a smaller crossover positioned below the Model X, a pickup truck, and even a semi truck, ...