television shows such as Robot Wars are a recent extension of this hobby. Radio control is the most popular choice, as the vehicle's range is not limited by the length of a cable, nor does it require direct line-of-sight with the controller, which is the case with infrared control. See also Radio-controlled aircraft Remote-controlled animal Remotely operated underwater vehicle Telerobotics Unmanned aerial vehicle Unmanned ground vehicle Unmanned vehicle References External links Uncrewed vehicles ja:遠隔操作#遠隔操作型無人機