Ultra-sturdy dirt brick gets its remarkable strength from paper towels
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It’s safe to say that if you’re reading this article on this particular Web site, you probably already think the Earth is pretty amazing. Now there is one more reason why earth—that is to say, dirt itself—deserves our respect and admiration. Practical Engineering put together a few examples of how plain, ordinary dirt can become an incredibly sturdy building material. All it needs is a little reinforcement, but that doesn’t have to come in the form of steel beams or carbon fiber. Paper,...