What is nothing? Can it be defined, either philosophically or scientifically? Or will the exploration of nothing bring, ultimately, to nothing?

The philosophical exploration of nothingness is an ancient one, from the mysterious number zero through theological understandings of the absence of God right to modern physics and ideas of the void.

Join leading theoretical physicists David Deutsch and Lee Smolin, alongside science writer Amanda Gefter, as they discuss the edges of their understanding of nothing, including what something is, what physics tells us, and the extent to which we require esotericism to comprehend it.

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