What would happen if you were swallowed by a whale?

17 November 2014
Presented by Timothy Revell.

If you were swallowed by a whale, could you swim out and up through the oesophagus or would you be digested by the stomach acid? Plus, we ask about the future of flight: Are we going to be forever stuck in this air speed? What are the constraints of aerodynamics? Are noise rules the issue? Can a supersonic jet be ever built with "decent" fuel economy?

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