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@News · 27 Jul 2026, 5:49 pm
No notes, just a green board: This IIT Madras professor carried physics in his head For nearly 17 years, Professor V Balakrishnan's IIT Madras classical physics lectures have sat quietly on YouTube, turning a chalkboard classroom into a global lesson. Its appeal lay in its rare conceptual clarity, praised by students and physicists despite having no slides or polished production.
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