46 // C OMSOL NE WS 2 0 1 1 AEROSPACE CSEM SA, NEUCHÂTEL, SWITZERLAND W hen launching satellites to orbit, every gram of payload is extremely valuable. Depending on the orbit and the launcher, an estimated cost is about 15,000 euros per kilogram. With this in mind, researchers at CSEM, the Swiss Center for Electronics and Microtechnology, are working on ways to minimize the weight of satellite attitude control systems. Here, a single

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