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By the time we will find new physics, we have already redefined the SI in terms of base units and fundamental constants. The definition of the new SI is the next one: the SI is the system in which the … Continue reading

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Hi, there! Today some Kepler third law stuff plus cosmic speed calculations and formulae. Cosmic speed sounds cool…But first… From High School, you surely calculated how fast is A PLANET moving around the sun (or any star, indeed). To simplify … Continue reading

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