From the Vault: Pykrete

Whether plotting to build a great northern wall or an aircraft carrier made of ice instead of steel, the substance you’re looking for is Pykrete. In this classic episode of Stuff to Blow Your Mind, Robert and Joe discuss what makes this super-strong ice so durable and why there was an actual plan to build ships out of the stuff during the Second World War. (originally published 8/6/2020)

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