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"content": "nostr:npub1ks70cf3wt30sn2gqjnw4zjtd7ztwnnaq4fy0azpdvtlthg7eqrpqlteg5u one question I have about the meter is if it is defined in terms of the speed of light, and the second is defined in terms of the frequency of cesium atom vibrations, what happens to this length in a reference frame where time dilation is significant? Time goes slower, but C is constant, and d = C * t, so if t gets smaller then so does d. Or is this definition invariant with respect to relativity?",
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