This is the relative effect of time and space on the different densities or dimensions of existence.

这是个时空在存在的不同密度或维度所产生的相对效应。

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There are many examples of profound ideas, having a considerable effect and change on society, being "discovered" at approximately the same time, by people widely separated in space.

有很多这样的例子，对社会产生不可忽视的效果和改变的意义深远的想法，被分隔在“形状”中的不同地方的人们差不多同时“发现”。

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The constancy of the speed of light essentially underpins our understanding of space and time and causality, which is the fact that cause comes before effect.

光速常数实质上支撑着我们对于空间、时间和因果关系的理解。我们都相信因在果之前的事实。

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Jack Ng and his colleagues at the University of North Carolina, Chapel Hill, have written a paper arguing that Dr Lieu overestimated by a factor of several million the effect that fluctuations in space and time would have on light.

ECONOMIST: Planck-scale physics