re: For people who don't believe Egyptians could build pyramids

What’s your point?

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Don’t you think if we had a physics based way to efficiently move tons of stone in such a way we would invest in that as opposed to fossil fuel use?

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Again though, you’re trying to solve an ancient problem through a modern lens. We don’t have a need anywhere on the planet for a 30 ton slab of granite to build anything. Without a need, there isn’t a solution. If the need suddenly arose and civilization suddenly depended upon the need for massive stone blocks for survival, society would figure out how to move them, and how to manipulate them to serve their purpose. Maybe it’s something as simple as cutting stone block, then fashioning them to roll to the job site and then fashioning them again into block form. Everyone just assumes they cut these large stones into shape a hundred miles away and then hauled them into place. Even now, material such as lumber, tile, gutters, plywood or whatever is cut and shaped on the job site.

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Passing on knowledge is more than handing a kid a book. It is showing them how to swing a hammer or understanding the grain of wood and how it interacts with the tools. Perfecting something as "simple" as woodworking seems intuitive, but there's a lot of minutiae and nuance in the application of knowledge

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Go look at old antebellum homes. All will have intricately beautiful hand carved columns and fireplace mantles. Those were done by slaves. How people took unskilled slaves from Africa and got them to do that I have no idea but it’s truly amazing. Hardly nobody could skillfully recreate it today using simple tools

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So much of human history was lost by damage, languages dying off, or just not being written down. It's asinine to think that the ancients didn't have their forms of technology. I can see the arguments that aliens possibly jump started some of that tech as well.

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The thing that pisses me off about Muslims in the Middle East more than anything is how much ancient history has been destroyed, burned, etc due to their constant state of war with each other. That part of the world was the start of civilization and holds so many answers to the past and it’s constantly being destroyed

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Massive supply of slaves.

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I think the consensus now is that slave labor wasn’t a very large part of the construction of the pyramids.

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They’re as tall as the Louisiana state capitol

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Yep. But the base is MASSIVE by comparison.

3 million stones, hauled hundreds of miles, (in the sand) cut to perfection and lifted hundreds of feet in the air and positioned with even more perfection. They must've had a lot of free labor (slaves) and time on their hands. Could they do it, sure, in a hundred years or more with 3 or more different Pharoahs and a bunch of stone engineers. Imagine the support staff, supplying food and water and transpiration and other needs. Lotta loose ends to consider. They had to have help, no clue what that could be.

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The burning of the Great Library of Alexandria probably set our civilization back a few centuries. It probably was the single most consequential event in history that not many people know about.

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It was on the decline anyways.

Just like Alabama.

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The problem is that it takes virtually no time for technology to be lost. Think about WW2 aircraft for example, the tech to build those incredible machines is only 80 years old but impossible to reproduce because the machines that were used to create those planes no longer exists.

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... the same could be said about those turbines that power the water pumps for the New Orleans Serwage & Water Board ...