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Jo tells the story of Gloucester born scientist Sir Charles Wheatstone who invented many items like the concertina, the electric telegraph and the stereoscope – which allows us to view things in 3D.

Staying on the 3D theme, she also visits the first Innovation Lab for Gloucestershire libraries based in Coleford, which includes 3D printing.

And Jo's Festival Flashback is her interview with legendary Queen guitarist Brian May about his passion for 3D photography and a book he’s produced that’s unique in rock history.