Now, a team of Michigan researchers may have finally solved the battery problem by demonstrating an energy scavenger that derives power straight from the insects own wing motion.

如今，一个密歇根的研发团队似乎已经解决了电池的问题。他们展示了一种能量收集器，可以直接利用昆虫翅膀扇动产生电力。

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The equipartition theorem states that a particles' kinetic energy-the energy it possesses due to motion-is determined only by its temperature, not its size or mass.

能量均分定理是指粒子的动能——即粒子移动具有的能量——只由其温度决定，而非其大小或质量。

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The energy possessed by an object by virtue of its motion is called kinetic energy, or energy of motion.

物体由于运动而具有的能量叫动能。

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As the fins tap the energy generated by the up-and-down motion of ocean waves, they move to propel the robot at speeds of up to 2 knots.

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The SDLP's Joe Byrne confirmed his party's support for the motion, but qualified it by saying that the latter part of the motion, which calls for renewable energy sources "instead" was too prescriptive, and that the potential of fracking should be examined.

BBC: Hydraulic fracturing

Its two high-speed electric motors operate as one but can act independently (and incidentally, by using reverse torque instead of friction for braking, the motors convert the energy of your motion to help replenish the battery).

FORBES: A Standing Ovation