NASA Bulldozer Rovers Could Get the Scoop on Mars NASA

Tiny bulldozer rovers may some day dish up the dirt and pack it in on Mars. The scoop-and-dump design of a prototype bulldozer rover being developed by NASA engineers mimics that of a bulldozer and dump truck. Unlike a life-size bulldozer and dump truck, which can weigh several thousand pounds, these rovers are lightweight, intelligent and can work without an operator at the wheel. Yet they have the same capabilities, relative to their size, as their heavy-duty counterparts. Robotics engineers think the basic research on these bulldozing rovers may support future missions to look for life or to sustain a human presence.

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