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Odds and Ends
9 6, 9:35am
Not exactly. Some house-building robots actually use bricks with those little nubs on the tops of lego bricks, with adhesive of course. The question becomes whether the robots should use those nubbed-bricks, regular bricks with regular mortar, or if it's all being done by robots anyway just 3D print the entire thing with layers of concrete.
Also, fun fact, in ancient times a lot of giant stone blocks did have those nubs on them to keep the blocks from slipping.