In this video, we learn about the Forest City Gear factory in Rockford, Illinois where all the gears and other moving parts for the Curiosity rover were made. "Anything that moves on the rover, any of the actuators, any of the gears — we cut all the gears that did that," says Jeff Hallberg. Fun fact: the gears are all made of titanium.
Lots of small businesses made parts for Curiosity. ABC News even has a video about how "nearly all of" Curiosity was Made in the USA, including parts from... READ ON