My introduction to building a stone wall, like beginnings in so many homesteading skills, came unexpectedly, urgently, and at the wrong time. It was a rare clear morning during a rainy spring in ...
Space.com on MSN8mon
Moon robots could build stone walls to protect lunar bases from rocket exhaustA robotic excavator could build a dry stone wall to act as a blast shield around a launch pad on the moon, a new study suggests.
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