澳门金沙城娱乐网站:Wriggle into rubble

时间:2019-03-05 04:08:01166网络整理admin

By Catherine Zandonella in San Francisco EARTHQUAKE survivors trapped in rubble could one day be saved by an unlikely rescuer: a robotic caterpillar that burrows its way through debris. Just a few centimetres wide, the robot relies on magnetic fields to propel it through the kind of tiny crevices that would foil the wheeled or tracked search robots currently used to locate people trapped in collapsed buildings. The caterpillar’s inventor, Norihiko Saga of Akita Prefectural University in Japan,