Here comes the open source Snow Plow Robot (As it is here, it would probably be sand, actually would make more sense than the large manned gas powered plows, & with the amount of sun here, this may be more viable)
New implementation of an actuated tail that makes for one seriously maneuverable robot car. the addition of the actuated tail allowed the robot to make stable turns at over twice the speed that it would be able to otherwise m/s as opposed to m/s
If you're upgrading to a faster, stronger wireless router, don't chuck your older Wi-Fi box. With the magic of DD-WRT, you can turn your older wireless router into a range-expanding Wi-Fi repeater to cover everywhere you need a connection.