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Ordinary photons do have spin, they have a notion of helicity so they spin around their direction on motion.

  • -- Roger Penrose 罗杰·彭罗斯

普通光子确实有自旋，它们有螺旋性的概念，所以它们在运动时绕着自己的方向旋转。

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Direction Ordinary

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On one hand, to be able to go from one direction in the sky to study such an object to another direction to study another object, and on the other hand to be able to maintain accurately the position in space.

一方面，能够从天空的一个方向去研究这样一个物体到另一个方向去研究另一个物体，另一方面能够在空间中准确地保持位置。

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I have the ordinary experience of being anonymous when I'm in an airplane talking to air-traffic control, and they don't know who they're talking to. I have a lot of common experiences.

当我在飞机上和空中交通管制人员交谈时，我有一种普通的匿名体验，他们不知道自己在和谁交谈。我有很多共同的经历。

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You've got to think about big things while you're doing small things, so that all the small things go in the right direction.

当你做小事情的时候，你必须考虑大事情，这样所有的小事情都会朝着正确的方向发展。

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I believed in myself. I never imagined myself as just an ordinary player.

我相信我自己。我从来没有想象过自己只是一个普通的球员。

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