In a special round table edition of the show, our editors discuss how architectural design can build better jails, and better outcomes for inmates and society. We'll consider whether a computer that costs $9 and is the size of a credit card might change the world. Then we'll unwind with a drink, and learn how bartenders are using new methods (like blow torches and centrifuges) to manipulate classic flavours.

And lastly we'll play Stupid or Amazing, and put the question to a new self-editing camera called Graava.

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