An electromagnetic three-phase motor will enable the watchmaking industry to build watches that are three times more efficient and that can include more applications. Tomorrow's wristwatches will be more efficient. Their batteries will last much longer. And in addition to giving the time, they might offer additional functions such as a telephone, a compass or other kinds of energy-consuming applications. EPFL researcher have made a major step in this direction with the invention of a new kind of motor whose energy output is three times greater than traditional motors. It will thus satisfy the requirements and developments of the watchmaking industry. To manufacture micro-electronic microsystems, known as MEMS, engineers typically call upon the principles of electrostatics.
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