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New England stone walls lie at the intersection of history, archaeology, ecology and geoscience, and deserve a science of their ownOld stone walls record the changing location of magnetic north Fences have big effects on land and wildlife around the world that are rarely measured Robert M. Thorson created and coordinates the ...
researchers at ETH Zurich have let an autonomous excavator loose on a big pile of boulders and reclaimed concrete. The goal? To build a 20 foot (6 meter) and 213 ft (65 m) long dry-stone wall as ...
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