this reminded me of Pykrete [0]. basically someone figured out the right ratio of water to sawdust for a frozen block of ice, and it creates a very durable and

this reminded me of Pykrete [0]. basically someone figured out the right ratio of water to sawdust for a frozen block of ice, and it creates a very durable and tough material similar to concrete (as long as it remains at or below freezing). the british planned to make an aircraft carrier [1] out of the stuff, but it was ultimately deemed too expensive. [0] https://en.wikipedia.org/wiki/Pykrete https://en.wikipedia.org/wiki/Pykrete [1] https://en.wikipedia.org/wiki/Project_Habakkuk https://en.wikipedia.org/wiki/Project_Habakkuk