Pykrete castle: World War II supermaterial of sawdust and ice making a comeback?
A Futuristic World War II “Supermaterial” May Be Making a Comeback (Video)
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July 10 2014 6:05 PM

The Legend of Pykrete

A onetime World War II “supermaterial” may be making a comeback.


The World War II-era concoction is so sturdy, it was once considered as a replacement for steel.

Jim Festante is an actor/writer in Los Angeles and regular video contributor to Slate. He is the author of the Image Comics miniseries The End Times of Bram and Ben.

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