Building a wall by precisely stacking randomly shaped boulders could almost be the definition of hard work – both physically and mentally. It's the sort of thing we might want robots to do one day, so it should come as no surprise that one has in fact just done it.
Robotic excavator builds a giant stone wall with no human assistance::undefined
My first thought actually was how will this incredible technology respond when it's supposed to start construction and there are environmental protestors at a site or whatever? Just one less human between big power and regular people.