A great thing about college demonstration projects is they don't have to have any commercial prospects. That's a good thing for students at the Milwaukee School of Engineering, who call their model an anti-gravity device. Despite that moniker, the machine uses the same principles that let high-speed magnetic levitation trains float above their tracks. The MSOE levitator uses analog instrumentation amplifiers donated by Analog Devices, a pulse-width modulated H-bridge from National Semiconductor, a coil, a feedback control compensator and Allegro MicroSystems Hall-effect sensors to magnetically suspend an object in mid-air.
A simple new chemical method for repairing and recycling notoriously difficult carbon fiber composites has been developed by the Fraunhofer Institute for Applied Polymer Research. An entire component can be completely recycled, including reclaiming its expensive carbon fibers for reuse.
In today’s connected world we are seeing the beginning of connected homes, smart grids, self-driving automobiles, drones, and many other amazing devices. Out of all the soon-to-be connected devices, which device poses the greatest dangerous to its users and society?
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