David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds. ...

Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds. (David S. Kidder)

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David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.

David S. Kidder Quotes: Babylonian scientists used a counting system based on the number sixty, which is why minutes have sixty seconds.