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Can a light aircraft crash due to low air density? What's the longest undersea tunnel a human can negotiate with no tanks? And how deep can a free-diver go? And hear some amazing examples of a sonic boom.
First Air Date : May 13, 2008
Last Air date : May 13, 2008
Episode : 10 Episode
Season : 1 Season
Runtime: 22:14 minutes
Country: United Kingdom
Cast: Matthew Skilton
