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  1. Pogo

    How did the Egyptians build the pyramids?

    You are confusing geology with (material science?) construction material, To a geologist limestone is a stone formed in a particular way. Your reconstituted limestone no matter how close it seems to function or look is concrete, a combination of an aggregate (crushed limestone) and binder (burnt...
  2. Pogo

    Evolution, maybe someone can explain?

    Interesting claim, but where is your evidence and it is unlikely. Species and body plans evolve and are only found in limited layers. A rare example of this not happening is the Coelacanth that while it is not exactly like its first ancestors is still close. Fishapods such as Tiktaalik would...
  3. Pogo

    How did the Egyptians build the pyramids?

    HUH
  4. Pogo

    Evolution, maybe someone can explain?

    Not if we are dealing with a 5 year olds understanding. But this is a science subforum and so.
  5. Pogo

    How did the Egyptians build the pyramids?

    No idea what you think a ramp is because it is obviously not the simple tool that most humans use every day in one form or another.
  6. Pogo

    How did the Egyptians build the pyramids?

    So maybe they dug out a little and didn't need flood water levels? They weren't stupid were they?
  7. Pogo

    How did the Egyptians build the pyramids?

    A ramp is nothing more than using the mechanical advantage of a slope in one way or another instead of a dead vertical lift. What do you think is the significance of this word?
  8. Pogo

    How did the Egyptians build the pyramids?

    seriously, wrap a sling around it and pull that, a little better as the Egyptians did, drill some holes to insert handles for more force points and for basic pulling put the block on a sledge to reduce the frictional area. Not to mention using rollers if convenient. But seriously.
  9. Pogo

    How did the Egyptians build the pyramids?

    So they weren't funiculars but now we have lots of them or was it that they weren't ramps? Are they pyramids just an example of basic engineering and simple machines or not? What is the significance of the building of the pyramids beyond a powerful ruler who could amass a workforce and some...
  10. Pogo

    How did the Egyptians build the pyramids?

    While we are on this silliness about lifting 2.5 ton blocks, a medium SUV at this point, I used to deliver pianos including grand and old uprights up stairs. Roughly 500 lbs or more for many, up stairs of up to 40 degrees or so in order houses, comparable to 42 for pyramids if you want to see...
  11. Pogo

    How did the Egyptians build the pyramids?

  12. Pogo

    How did the Egyptians build the pyramids?

    So you end up with ancient aliens, humans could not move 2 ton blocks so the pyramids must have been built out of some lost technology. This is the engineer conclusion, the scientist says hmm that didn't entirely explain it but I still have no evidence of magic so I will keep looking. If they...
  13. Pogo

    How did the Egyptians build the pyramids?

    Yeah, the usual cop out. It is too complex and only I as one of 8 billion humans can understand it. Sorry not buying the odds, I would rather bet on pathogenesis for humans.
  14. Pogo

    How did the Egyptians build the pyramids?

    So you have nothing except for some sort of conspiracy theory that they could not move blocks but could produce some sort of faux blocks using a method that there is no evidence they used or even knew about. You also have no evidence that the stone was not natural as apparently nobody will let...
  15. Pogo

    How did the Egyptians build the pyramids?

    Sure it wasn't aliens, or are they equivalent to gods in their ability to fly limestone blocks? Just how was it done, and who and what methods did they use? we are not looking for your mental understanding but something that does not equate to magic that we might understand. If not this then...
  16. Pogo

    How did the Egyptians build the pyramids?

    Maybe you could actually explain why ship transport was not possible and then present your more rational solution since all the evidence is that the blocks were transported.? Oh please no aliens and only physically known mechanisms, if you require another mechanism, please enlighten us as to...
  17. Pogo

    How did the Egyptians build the pyramids?

    So what? The OP was how did the Egyptians build the pyramids and somebody (you?) came up with the bright idea that they didn't move blocks of limestone but created a concrete imitation from crushed material and then questioned whether it would be differentiable to natural limestone.
  18. Pogo

    How did the Egyptians build the pyramids?

    We were talking about some structures built thousands of years ago, not how we might clad a building today.
  19. Pogo

    How did the Egyptians build the pyramids?

    And you apparently are one of the lesser versions adding to the Salem Hypothesis. LOL, I studied as an engineer and would be majorly embarrassed to argue as you are here. The idea that you can define limestone just by it's chemical composition and even then add clay without even defining...
  20. Pogo

    How did the Egyptians build the pyramids?

    Which is not limestone as anybody with a decent eye will tell you, it is not an aggregate of shells that have been cemented together over time but a conglomeration of many small bits of limestone that have been cemented together with materials from the original limestone. Do you have a point...
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