Professor Jim Al-Khalili investigates one of the most important concepts in the world today - information. He discovers how we harnessed the power of symbols, everything from the first alphabet and the electric telegraph through to the modern digital age. But on this journey he learns that information is not just about human communication, it is woven very profoundly into the fabric of reality.
Professor Jim Al-Khalili investigates the important concepts of energy and information.
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