Science Cafe - How many balloons would it really take for Roald Dahl's Mrs Twit to lift off? - Â鶹ԼÅÄ Sounds

Science Cafe - How many balloons would it really take for Roald Dahl's Mrs Twit to lift off? - Â鶹ԼÅÄ Sounds


How many balloons would it really take for Roald Dahl's Mrs Twit to lift off?

John Rutledge investigates the science behind Roald Dahl's stories

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