历史首先是那个遗产的创造和记录;进步是其日益增长的丰富性、保存、传递和使用。
History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.
We are all the sum of our contradictions.
Attosecond science allows us to capture the fastest motions in the microcosm, like freezing the wingbeat of a hummingbird.