Project Habakkuk: The Aircraft Carrier Made of Ice
In 1943 the Allies seriously planned an aircraft carrier made of ice and wood pulp, and built a model in Canada. Here is how Habakkuk began and why it never sailed.
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The Tsunami that Devastated Ancient Britain
About 8,150 years ago a slide off Norway sent a tsunami across the North Sea, reaching Britain and the now lost Doggerland.