From The Economist.

How do you make an object invisible? Alok Jha, host of the Babbage podcast, speaks to Professor Sir John Pendry, the theoretical physicist whose pioneering work on metamaterials has redefined how scientists can manipulate space and light.

00:00 – What are metamaterials?
02:38 – Where did the idea of the ‘invisibility cloak’ come from?
08:46 – What was it like when you first came up with these ideas?

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