Evolta robot climbs Grand Canyon cliff, turns off competition
...cliff at the Grand Canyon. The 17-centimeter tall, 130-gram bot tried to prove its prowess and the endurance level of the Evolta AA alkaline battery. The Guinness Book of World Records recently recognized it as the longest-lasting of its kind. A pair of Evoltas powered the robot to climb up a 530-meter length of rope suspended next to the...
