Perhaps one of the most impressive things to come out of the Cybertruck launch was the steel that Musk decided to use in his pickup truck. The steel formed what was called the truck’s exoskeleton and didn’t rely on an internal chassis for strength. Basically, the steel body was literally the thing holding the truck together. Developed to be used on SpaceX’s rockets, this specially formulated alloy of steel boasts of such high strength, it’s physically impossible to mold/cast/