History of time

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Time cannot be described in words or colors: it cannot be seen, caught, touched, smelled, tasted - it is so mysterious and elusive. But although we know what time is, we have no doubt that it exists. And yet we measure and count it. How did people learn to do this? How did calendars, clocks appear and what were they like in the beginning? And how did you count the time when they were not?
For children of middle school age.

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Barcode: 9785907302280 SKU: 70170514 Category:
Publication language: Russian

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