If you're a fan of science-fiction, you've probably seen something like the Furrion Exo-Bionics Prosthesis before. Characters in films from "Aliens" to "Avatar" have been strapping into walking, human ...

Remember the giant, human-controlled Prosthesis mech suit? We first saw the design back in 2014. It's a 4,000-kg (8,820-lb), 4-meter-tall (13-ft), chromoly steel-framed monster that uses some 170 kW ...