this post was submitted on 28 Aug 2023
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[–] novibe@lemmy.ml 1 points 1 year ago* (last edited 1 year ago) (2 children)

We know ropes and pulleys wouldn’t be enough lmao

There are millions of blocks of stone, weighting tonnes each, precisely cut and placed. You would have to place something like 30 blocks an hour, cut and shaped from quarries miles away, for 30 years straight without pauses.

And people don’t even think about the foundation stones that weight HUNDREDS if not THOUSANDS of tonnes. We, nowadays, with heavy machines and modern ropes and pulleys, can’t move stones anywhere close to those.

I agree they weren’t built by aliens. But comparing Stone Henge to the great pyramid is INSANE!

[–] echodot@feddit.uk 5 points 1 year ago

It's sandstone not granite, there's no way that the ground stone weigh "thousands of tonnes". Where are you getting your numbers from?

[–] Devi@beehaw.org 2 points 1 year ago

I'm not sure I'm with your maths there. There's 2.3 million stones, divided by 30 years that's 76,667 blocks a year, divided by 365 days that's 210, so your 30 blocks an hour estimate is only a 7 hour working day.

The largest stones used in the construction are estimated at up to 80 tonnes, definitely not hundreds or thousands. There have been plenty of practical experiments with blocks that size using their known technology and it works fine, nevermind modern technology.