sexta-feira, 22 de novembro de 2013

Just a Second!

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

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