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Junior Robotics online exhibit showcases kids' robots

(Phys.org) —As robotics has become an increasingly popular way to get kids and teens involved in the field of engineering, the robotics projects that the kids are doing have become more creative and sophisticated. A new online exhibit hosted by EXPO21XX, called Junior Robotics, has recently launched and begun showcasing the variety of robotics projects happening in the K-12 scene.

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Now Boston Dynamics' BigDog can lift and toss (w/ video)

(Phys.org) —Boston Dynamics’ DARPA-funded robotic dog has been upgraded with added functions for military support in hauling gear on rough terrain, Its new appendage is called various things—a “kind of head,” a “face-arm,” and a “canine elephant trunk.” Whatever the terminology, BigDog has a new appendage to its torso that resembles a head. Boston Dynamic’s goal of increasing versatility of roles took a page from movements by human athletes.

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Swimming-pool ships make waves in modular robotics (w/ Video)

(Phys.org)—University of Pennsylvania engineering Professor Mark Yim and his students in the Department of Mechanical Engineering and Applied Mechanics have been floating their robotic boats at the university pool after-hours as part of a Defense Advanced Research Projects Agency (DARPA) project. They have received funding from DARPA’s Tactically Expandable Maritime Platform.

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Current sense circuit collection

Here is a PDF document from Linear Technology, featuring current sense circuits for different applications, including High side, low side, level shifting, high and low voltage, fault sensing, etc: [ via ] Sensing and/or controlling current flow is a fundamental requirement in many electronics systems, and the techniques to do so are as diverse as the applications them-selves. This Application Note compiles solutions to current sensing problems and organizes the solutions by general application type

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