Materials have been created that could allow robots to replicate the capacity of geckos to climb vertical surfaces and hang upside-down, and the latest version can be turned on and off using a specific wavelength of light, solving the problem of how to unstick the pads when it is time to move.

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Materials have been created that could allow robots to replicate the capacity of geckos to climb vertical surfaces and hang upside-down, and the latest version can be turned on and off using a specific wavelength of light, solving the problem of how to unstick the pads when it is time to move.