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Nearly everything about the small block says “wood”: its texture, appearance, sturdiness, and color are like an especially high-quality piece of particle board. But it’s just a bit too dense for wood, which gives it away. The block is made of straw bound together by mycelium, the root-like tendrils of mushrooms.
While many types of fungi would serve, this block was produced using edible mushrooms as a proof-of-principle experiment by architect Chris Maurer and his collaborators at Redhouse Architecture in Cleveland, Ohio. They envision building whole communities from mushroom “wood” and its byproducts, providing housing, food security, and even water filtration for regions destabilized by climate change-related disasters.