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Friday Fun Thread for December 22, 2023

Be advised: this thread is not for serious in-depth discussion of weighty topics (we have a link for that), this thread is not for anything Culture War related. This thread is for Fun. You got jokes? Share 'em. You got silly questions? Ask 'em.

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When we someday leave the cradle of Mother Earth forever we might switch to a kilo- and mega- second timekeeping method,

Multi-planetary timekeeping is something that doesn't really have a firm academic basis currently. Relativistic time dilation means that clocks, even Cesium sources, run at perceptually (for an Earth-based observer) different rates due to differing gravitational potential. I have talked with experts in the field before, and there is general agreement that the current "time is defined relative to Earth sea-level" probably doesn't work for precise applications (notably navigation) even on the Moon.