Adam Walton and John Rutledge explore the science behind Roald Dahl's children's stories, from the number of balloons it takes to lift Mrs Twit to the dream jars of the BFG.
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Adam Walton and John Rutledge explore the science behind Roald Dahl's children's stories, from the number of balloons it takes to lift Mrs Twit to the dream jars of the BFG.
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