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Grand Canyon, AZ (AHN) - A small robot has scaled a 1,739-foot (530-meter) high cliff of the Grand Canyon in a demonstration of the power of the world's longest-lasting battery.
Robot Scales 580-Foot Grand Canyon Cliff Using Rope | AHN | May 27, 2008 (http://www.allheadlinenews.com/articles/7011070432 - broken link)