In the near future, edible houses may no longer be just fairy tales. Researchers at the University of Tokyo have developed a technology that can turn scraps into “food cement' for construction and other uses.
Sakai, with his student Machida, decided to do the same thing with food waste. Previous trials using food waste to make cement required plastics to be mixed in to get the materials to stick together.
“The most challenging part was that each type of food waste requires different temperatures and pressure levels,” Sakai said. Sakai and Machida say they have successfully made cement using tea leaves, orange and onion peels, coffee grounds, Chinese cabbage, and even lunchbox leftovers.
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