16 COMSOL NEWS W hether it's an automotive engine, a wind turbine, or something as straightforward as a wristwatch, torque conversion and the transmission of rotational power are important for various technological applications. Traditionally, transmission is achieved through a series of collinear mechanical gears or shafts that transfer torque and thus power. But mechanical transmission has inherent limitations, namely a susceptibility to friction, wear and tear, and overload because of the continual contact. As the scope of technology continues to expand into more hostile and unforgiving environments, these limitations can be of extreme detriment. In places of limited accessibility and harsh conditions, replacing failed transmissions is a challenging and

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