What has DeepSeek AI done differently that other AI platforms haven't achieved till now?

Semiconductor design firm Nvidia lost about 17% or close to $593 billion in market value - a record one-day loss for any company, while shares of companies in semiconductor, power and infrastructure companies exposed to AI collectively shed more than $1 trillion. businessline's K Bharat Kumar talks to Prof B Ravindran, Head of the Wadhwani School of Data Science and AI at IIT-Madras explains why DeepSeek’s work is wonderful news for India and what exactly the Chinese startup has done that its much larger rivals could not. (Host: K Bharat Kumar)