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The Roots of a Tree
Trees are fantastic engineers. They've solved so many engineering problems that it took us until very recently to work out. What can the roots of a tree tell us about the environment and how can they be used to navigate? I'd been using this technique for natural navigation for well over a decade, probably 15 years. And once you're practiced, you can see the curve in the trunk which is what I've nicknamed the elephant's toes. So we don't even have to be a few feet away from the tree,. You can actually be hundreds of feet away from a tree. If we imagine an elephant's foot, we don't expect it to be perfect cylinder. But there are indeed