Goa, July 28 -- A decades-old lecture by former IIT Madras professor V Balakrishnan has become an unlikely social media sensation, with thousands of viewers applauding his effortless teaching style and exceptional command over physics. The clip, uploaded as part of the National Programme on Technology Enhanced Learning (NPTEL), has introduced a new generation of learners to one of India's most celebrated physics educators.

The lecture, which has gone viral on X, shows Professor Balakrishnan explaining complex scientific concepts without relying on presentation slides, notes or digital teaching aids. Instead, his clear explanations, structured reasoning and engaging delivery have drawn widespread admiration, with many users describing the...