Just to be clear: the laws of physics aren't a barrier -- given a conventional reference frame, even in relativity, everyone will agree on a total order of events (e.g. when using GPS receivers, atomic clocks and doing the math correctly). The problem is reliability of components.
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[ 14.9 ms ] story [ 676 ms ] threadhttps://news.ycombinator.com/item?id=9184779
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