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A Maryland company under contract to the Pentagon is working on a steam-powered robot that would fuel itself by gobbling up whatever organic material it can find — grass, wood, old furniture, even dead bodies.
Robotic Technology Inc.’s Energetically Autonomous Tactical Robot or “EATR” — “can find, ingest, and extract energy from biomass in the environment (and other organically-based energy sources), as well as use conventional and alternative fuels (such as gasoline, heavy fuel, kerosene, diesel, propane, coal, cooking oil, and solar) when suitable,” reads the company’s Web site.
That biomass and other organically-based energy sources wouldn’t necessarily be limited to plant material — animal and human corpses contain plenty of energy, and they’d be plentiful in a war zone.
The advantages to the military are that the robot would be extremely flexible in fuel sources and could roam on its own for months, even years, without having to be refueled or serviced.