Researchers at Harvard University in collaboration with colleagues at Seoul National University have developed a robot that can not only walk on water, it can jump on it.
The robot, which measures just 0.75 inches tall and weighs only two-thousandths of an ounce, was inspired by water strider bugs. The robot is surprisingly easy to assemble and perhaps more surprisingly, it can exert a force 16 times its own body weight as it stands on the surface of water.
Researchers believe the tiny robots could one day be used in search operations.
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https://www.techspot.com/news/61598-researchers-create-tiny-robots-mimic-water-striders.html