Robotics Could Transform Building Construction

"Khoshnevis believes his contour crafter will revolutionize building construction, dragging it into the digital age. Today, despite the advent of tech tools like power saws, mechanized cranes, and pneumatic nailers, construction is essentially the same tiring, gritty job it has been for 20,000 years. Workers still have to cut, grasp, hoist, place, and fasten materials, which is why labor accounts for about half of a building’s cost. The process is dangerous, slow, and wasteful: More than 400,000 American construction workers are injured each year, and a typical American house takes at least six months to complete, generating about four tons of waste."

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