Wed, 13 Sep 9.30pm
Why does it get dark at night? The journey to find the answer will take Professor Jim Al-Khalili to the boundaries of the known universe, investigating how our understanding of space has been shaped by maths and astronomy.
Wed, 20 Sep 9.30pm
Professor Jim Al-Khalili is on a mission to answer one very simple question: What is nothing? Dealing with science at the very limits of human perception, his journey ends with perhaps the most profound insight about reality that humanity has made.
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