How a tunnel-boring robot helped make the world a better place

CUBITAL TUNNEL CHICAGO — The tunneling robot cubital tunneling machine that has become synonymous with Chicago’s famed Loop tunnel and other Chicago tunnel-related projects is getting another makeover.Invented in the 1950s by Chicago’s own Fred Munk, the cubital digging robot, which is about the size of a small SUV, can excavate up to 2.5 feet […]

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