The Mobility category contains posts related to the systems, techniques, and technologies used to increase the mobility of people and objects in the physical cities. This could include posts about transportation, robotics, prostheses, or other technologically-advanced systems used to facilitate movement. Posts in this category could also discuss the history of mobility, such as the origins of the car or the evolution of train travel. We invite readers to explore how the advances of mobility technologies are shaping the future of transportation.