Avsnitt 6
1
Canal Zone
5 juli 2011
• 50m
The Panama Canal is set to double its capacity almost a century after it opened. Find out why its success lies in four key breakthroughs that enable ever bigger ships to navigate landlocked areas.
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2
Icebreaker
19 juli 2011
• 50m
Find out what made it possible for the world’s largest icebreaking ship to smash through solid ice a metre and a half thick and pulverise blocks of ice the size of a car with its huge propellers.
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