A photon is explained as an exciton of the electromagnetic mode, and the photon has an internal motion.

把光子理解为一个电磁模的元激发，光子亦具有内部运动。

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Chopra explains that being in touch with the this kind of consciousness is what sports players, ballet dancers, and musicians experience when they enter a moment of utter connectedness with their art: the mind is clear, the world appears in slow motion, and all internal dialogue fades away.

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The United Parcel Service has for decades followed Taylor's time-and-motion theories to make its internal operations highly efficient, to the point of measuring the paces between a double-parked truck and a customer's doorstep.

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The quartz movement does not require battery changes, as a rotor in the watch moves with the motion of your wrist to charge the internal battery.

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