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Jewish World Review Leaping lizards! Tiny reptiles advancing robot design By Suzanne Bohan A red-headed African Agama lizard in action Engineers have too long been stuck in human-centric designs for automatons, argue scientists http://www.JewishWorldReview.com | (MCT) The brilliant acrobatics of leaping lizards could inspire the creation of a army of nimble robots able to swarm through collapsed buildings or mines to find survivors, researchers at the University of California, Berkeley, say. By scrutinizing slow-motion video of a redheaded African lizard, the Berkeley team saw how the creature gyrated its tail to right itself after stumbling off a slippery surface. Despite the faltering start, it nailed a four-footed landing on a wall. If a robot could be designed to do that, newly agile machines could take the lead in search and rescue operations. This latest research from the lab of Robert Full, a UC Berkeley integrative biologist, for the first time shows how engineers could copy nature's design to create mobile machines that actually jump from floors to walls. "We didn't know how to do that, and now we do," Full said. FREE SUBSCRIPTION TO INFLUENTIAL NEWSLETTER Every weekday JewishWorldReview.com publishes what many in the media and Washington consider "must-reading". In addition to INSPIRING stories, HUNDREDS of columnists and cartoonists regularly appear. Sign up for the daily update. It's free. Just click here. Full and his students added a gyroscopically controlled tail to a lizard-sized vehicle they dubbed "Tailbot." When graduate student Thomas Libby dropped Tailbot face down, it righted itself in midair. "Anything we can do to make a robot more stable is an advancement, which is why this work is so exciting," Libby said. Search-and-rescue robots were first used after the 9/11 attacks to explore rubble at the World Trade Center, and they've been used after mine collapses, earthquakes and hurricanes since then. But the present generation is primitive compared to what's in designers' minds. "There's nothing available that's agile enough to get in there quickly," Full said. "The mobility is limited." Engineers have too long been stuck in human-centric designs for robots, Full said. Creatures that crawl, race and dangle hold the keys to creating machines that can navigate over chunks of collapsed buildings, dig through dense rubble or hop onto walls or ledges, he said. Close study of critters from geckos and cockroaches to centipedes and lizards has produced insights into agility, driving innovation in robot design. "We as biologists have to stay ahead of the game and provide the inspiration for the next capacity of the robot," Full said. In 2000, Full's team found that the half-million tiny hairs on each foot of a gecko create a fleeting glue-like bond that enables its swift scampering up walls. That led to a prototype gecko-like robot that can climb on any surface, he said. "But it's not quite commercially available," Full said. Nor can it leap onto the wall before its fast ascent. The work in Full's lab and several others like it around the country are critical for driving advances, said Robin Murphy, director of the Center for Robot-Assisted Search and Rescue at Texas A&M University. This latest research from Full's team will be published in Thursday's issue of Nature. "This is very, very novel," Murphy said, describing both the discovery that a tail is critical for next-generation robot design, and in modeling nature to program how robots move. And she expects the pace of research, particularly mimicking animal movement in robotics, will lead to an explosion of innovation in the coming decade. "I think in 10 years when you turn on CNN and there's a disaster, if you don't see a robot in there you'll be thinking 'What's up with that?'" Murphy said. "They're going to be so common." Interested in a private Judaic studies instructor — for free? Let us know by clicking here. Sign up for the daily JWR update. It's free. Just click here. To comment, please click here. © 2012, Contra Costa Times Distributed by McClatchy-Tribune Information Services.