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teratomarty:

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systlin:

GUYS THEY FIGURED OUT THE ROMAN CONCRETE RECIPE THAT MAKES IT IMMUNE TO SEAWATER

http://ift.tt/2uzc13P

EEEEEEEEEEEEEEEEEEEEEE!

I KNOW RIGHT?!???

I can’t help but feel this is one of those things where we had actual documents saying “it was done with this and this”, and some old rich white guys looked at it and went “oh mirth, the ancients were so silly. They probably wrote this basic stuff down and the actual builders had Secret Techniques we need to Discover”

For a long time, archeologists didn’t know how greek women did their high-piled braids and hair. There was a word that translated to “needle” in the descriptions. They went, “seems like we’ll never know.” Then a hairdresser took a fucking needle (big needle) and did the fucking thing you do with needles, which is sew - and by sewing the braids into place, she replicated ancient styles.

The Egyptians had diagrams of construction steps for their pyramids. Archeologists went “oooh, ancient primitive people, how they do this?” LITERALLY MYTHBUSTERS OR THE OLD DISCOVERY CHANNEL or someone went “what if we did the thing the pictures said they did” AND GUESS FUCKING WHAT. GUESS FUCKING WHAT.

Also that thing with native Americans saying squirrels taught them how to get sap for maple syrup, and colonizers going “that’s a myth sweaty”

Sincerely, if the scientists had to do actual analysis like spectroscopy or whatever, kudos, and no flame. But swear to god, if all these years, we’ve had the recipes and there was just this fuckin institutional bias against just TRYING THE THING THEY SAID WOULD WORK, HELLFIRE AND DEMENTIA.

In this case, it was more they had roman writings saying what went into it but figured there was some secret because when they followed roman recipes it never turned out quite right. 

Because the sources left by Romans always just said to mix with water. Because, if you were a Roman??? Obviously you knew that you used seawater for cement. Duh. That’s so obvious that they never really bothered specifying that you use seawater to mix it, because it wasn’t necessary, everyone knew that. 

But then the empire fell, other empires rose and fell, time passed, and by the time we were trying to reconstruct the formula the ‘mix the dry ingredients with seawater’ trick had been forgotten, until chemical analysis finally figured it out again. 

It’s sort of like the land of Punt, a ally of Egypt that’s mentioned all the time, but we don’t actually know where it was located. Because it isn’t written down anywhere. Why would they write it down? It’s Punt. Everyone knew where Punt was back then. It’d be ridiculous to waste the ink and space to specify where it was, every child knows about Punt. 

3000 years later and we have no damned clue where it was, simply because at the time it was so blindingly obvious that it was never written down. 

This is amazing! I need to remember to tell Ms Jess and Duchess; they’re both architects, and the loss of the formula for Riman concrete is like the fire at the library of Alexandria for them.

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