A Sphere with a Mission

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Ground Bot Video

The GroundBot is a spherical sentry designed to roll up to 6 mph through just about anything—mud, sand, snow and even water. Two gyroscopically steadied wide-angle cameras and a suite of sensors give remote operators a real-time, 360-degree view of the landscape, letting them zoom in on prowlers or detect gas leaks, radioactivity and biohazards. Originally invented by Swedish physicists to explore other planets, the GroundBot features a tough design that requires almost no maintenance and can also be programmed to run autonomously. Its sealed shell protects its interior against grit and allows it to survive steep drops, while a rubber skin dampens vibration and provides traction. To get rolling, the robot simply shifts its weight. Its center of mass is suspended from a pendulum inside the sphere, so motors just push the pendulum to the front, to the back, or to the side. Lithium-ion batteries provide up to 16 hours of spy time. rotundus.se