https://goo.gl/posts/Z28S5 A robotic lawn mower with visible track marks in a lawn indicating the random way it cuts the grass. <br /> <br />A robotic lawn mower is an autonomous robot used to cut lawn grass. <br /> <br />A typical robotic lawn mower (in particular earlier generation models) requires the user to set up a border wire around the lawn that defines the area to be mowed. <br /> <br />The robot uses this wire to locate the boundary of the area to be trimmed and in some cases to locate a recharging dock. <br /> <br />Robotic mowers are capable of maintaining up to 30,000 m2 (320,000 sq ft) of grass. <br /> <br />Robotic lawn mowers are increasingly sophisticated, are self-docking and some contain rain sensors if necessary, nearly eliminating human interaction. <br /> <br />Robotic lawn mowers represented the second largest category of domestic robots used by the end of 2005. <br /> <br />Possibly the first commercial robotic lawn mower was the MowBot, introduced and patented in 1969 and already showing many features of today's most popular products. <br /> <br />http://bit.ly/2rc0Hdz
