If you want to browse illustrated books AND read an insightful review, look no further than Brain Pickings
The second doesn’t relate to any cycle in nature — it’s a human
invention, and the shortest interval of time most of us use in our daily
lives. The Babylonians came up with the idea of the second about 4,000
years ago, but they had no way to measure such a short interval of
time.”
Steve Jenkins
sexta-feira, 22 de novembro de 2013
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