What is streamlining? How does a parachute work? In the first programme of this new science series, Gerd Sommerhoff answers these and other questions about the properties of the air around us.
(to 11.55)
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What is streamlining? How does a parachute work? In the first programme of this new science series, Gerd Sommerhoff answers these and other questions about the properties of the air around us.
(to 11.55)