Watch this video about tomorrow’s solar eclipse.

Predicting the next total eclipse is not a simple math problem, having several independent factors. Yet as the video mentions, an ancient Babylonian tablet tracked all the solar eclipses from 347 to 258 BCE.

It makes me wonder about the wisdom of some ancient civilizations. What did they know, that has been lost to us? From medicines to space to science, what intelligence was previously discovered and has since needed to be rediscovered, relearned.

And what did the ancients know that we still don’t know?

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