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"Robot" comes from the "Czech" word robota, meaning"drudgery." More than 1,000,000 mechanical robots are presently being used, almost 50% of them in Japan.  Spirit and opportunity, the genuine Mars robots have logged 10.5 miles walking across the Red Planet for more than 3 years. The relentless droids were dependable 90days.  The United States' tactical corps of 4,000 robots incorporate surveillance Talon bots that scout for the side of the road bombs in Iraq and PackBots that looked around for Osama receptacle Laden's safe-house in Afghanistan. Obviously, absent a lot of accomplishments.