Imagine a tiny robot that can move on its own, powered by light and radio waves. It can carry a camera, a sensor, or a Bluetooth device and transmit data over long distances. It can navigate through different terrains and environments and follow light sources to keep going. It sounds like science fiction, right?
A team of researchers at the University of Washington has created a novel self-driving robot that can operate on light and radio waves. The robot, named MilliMobile, is about the size of a penny and weighs as much as a raisin. It has a solar panel-like energy harvester and four wheels and can move about 10 meters in an hour, even under cloudy conditions.
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