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Ancient Marvels: Skillful Humans Or Helpful Aliens?

Yeah, but the bragging rights over so-called gourmets from your hospice bed would be worth it.
 
WRT claims that we can't duplicate past human accomplishments, I think one needs to bear in mind that people are actually saying, "We can't do it with the resources likely to be devoted to such a project."

If we were willing to fund an institute for 400 years to painstakingly research the best ways of doing something, and then recruit and feed 20000 people for 40 years to do nothing but build the thing, then I bet we could recreate any past human accomplishment.

The famous Roman concrete is so good because it was mixed dry, which requires a great deal of tamping down over a long period of time for it to set correctly. The Romans had the slaves to do the work, and the patience to wait for the end result. The method isn't used now because people aren't willing to give up their sidewalks, among other infrastructure, for extended periods of time.
 
Aether Blue said:
WRT claims that we can't duplicate past human accomplishments, I think one needs to bear in mind that people are actually saying, "We can't do it with the resources likely to be devoted to such a project."

If we were willing to fund an institute for 400 years to painstakingly research the best ways of doing something, and then recruit and feed 20000 people for 40 years to do nothing but build the thing, then I bet we could recreate any past human accomplishment.

The famous Roman concrete is so good because it was mixed dry, which requires a great deal of tamping down over a long period of time for it to set correctly. The Romans had the slaves to do the work, and the patience to wait for the end result. The method isn't used now because people aren't willing to give up their sidewalks, among other infrastructure, for extended periods of time.
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And their concrete lasts so long because they didn't reinforce it with rebar.
 
Ancient Roman concrete was made with a certain kind of volcanic sand with sharp edges - i.e., not sand that had come from the sea.
This shattered crystalline structure gave it a better grip than 'rounded' sand.
 
Mythopoeika said:
Ancient Roman concrete was made with a certain kind of volcanic sand with sharp edges - i.e., not sand that had come from the sea.
This shattered crystalline structure gave it a better grip than 'rounded' sand.
Click to expand...

Riddle solved: Why was Roman concrete so durable?​

https://www.sciencedaily.com/releases/2023/01/230106144441.htm

During the hot mixing process, the lime clasts develop a characteristically brittle nanoparticulate architecture, creating an easily fractured and reactive calcium source, which, as the team proposed, could provide a critical self-healing functionality. As soon as tiny cracks start to form within the concrete, they can preferentially travel through the high-surface-area lime clasts. This material can then react with water, creating a calcium-saturated solution, which can recrystallize as calcium carbonate and quickly fill the crack, or react with pozzolanic materials to further strengthen the composite material. These reactions take place spontaneously and therefore automatically heal the cracks before they spread.
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From Jason Colavito's eNewsletter • Vol. 23 • Issue 20 • November 12, 2023 •

This week, Australian UFO journalist Ross Coulthart completed his transformation from flying saucer caterpillar to full Ancient Aliens-style butterfly when he emerged as an ancient astronaut theorist in postings on X, formerly Twitter.

Coulthart reposted claims that Egyptian stone-working techniques were impossible without modern technology and heavily implied that he believed space aliens were behind ancient Egyptian wonders. In a podcast, he further displayed his kinship to his fellow UFO carnival barkers by accidentally admitting that the “sources” he relies on for claims such as his assertion that a spaceship the size of a football field lies buried beneath an unnamed federal building don’t actually have firsthand knowledge. He repeatedly claimed that his sources “think” UFOs are real and “We suspect there’s a coverup going on inside our own government. We think there are people in private aerospace that know a lot more than they’re letting on. We think there are people in our military and our intelligence services that are lying to cover it all up, and we think it was all part of a misguided attempt to conceal this during the Cold war…” People with firsthand knowledge of aliens wouldn’t “think” or “suspect” facts that they actually know. His sources would appear to be the same group of “insiders” who have mistaken paperback UFO books of the 1950s and 1960s for secret revelations since the 1950s and 1960s.
 
I'm sure if we ever get to travel to extra solar planets that NASA or whoever will be putting in lots of requests for funding to help build a 600 ft tall stone monument for the hunter gatherer octopodes of Tau Ceti 4 to use as a tomb for one of their leaders. :thought:
 
Tunn11 said:
I'm sure if we ever get to travel to extra solar planets that NASA or whoever will be putting in lots of requests for funding to help build a 600 ft tall stone monument for the hunter gatherer octopodes of Tau Ceti 4 to use as a tomb for one of their leaders. :thought:
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ls that the hunter gatherer octopodes that eat Jehovah’s Witnesses and shit Krugerrands? I think NASA might find a few bob under the sofa cushions for them.

maximus otter
 
ramonmercado said:
From Jason Colavito's eNewsletter • Vol. 23 • Issue 20 • November 12, 2023 •

This week, Australian UFO journalist Ross Coulthart completed his transformation from flying saucer caterpillar to full Ancient Aliens-style butterfly when he emerged as an ancient astronaut theorist in postings on X, formerly Twitter.

Coulthart reposted claims that Egyptian stone-working techniques were impossible without modern technology and heavily implied that he believed space aliens were behind ancient Egyptian wonders. In a podcast, he further displayed his kinship to his fellow UFO carnival barkers by accidentally admitting that the “sources” he relies on for claims such as his assertion that a spaceship the size of a football field lies buried beneath an unnamed federal building don’t actually have firsthand knowledge. He repeatedly claimed that his sources “think” UFOs are real and “We suspect there’s a coverup going on inside our own government. We think there are people in private aerospace that know a lot more than they’re letting on. We think there are people in our military and our intelligence services that are lying to cover it all up, and we think it was all part of a misguided attempt to conceal this during the Cold war…” People with firsthand knowledge of aliens wouldn’t “think” or “suspect” facts that they actually know. His sources would appear to be the same group of “insiders” who have mistaken paperback UFO books of the 1950s and 1960s for secret revelations since the 1950s and 1960s.
Click to expand...

Ok. nothing new here...move along.

(What is a UFO Journalist and why should we care what they say?)

But the Chinese and South american pyramids were built by the locals, werent they?
 
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