Quote:
Originally Posted by Tobra
They apparently had some sort of soil amendment to make the crappy soil sustain agriculture. We have not figured that out yet. May have finally figured out why Roman cement was superior to anything we do now.
Most tech improves with time. Egyptian architecture is one of a number of thingswent the opposite direction for some reason
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Looks like the black soil riddle has finally been solved.
https://www.facebook.com/share/v/15YARqSd6x/
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“The wave is not the water. The water merely told us about the wave moving by” – Buckminster Fuller
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