/sci/ - Science & Math

>>11641529
They was mixing clay, sandstone, limestone, ash, water, etc. to create geopolymer concrete.
They carried the concrete to the pyramid in buckets.
They lifted the buckects with levers up to the pyramid.
There was one lever on each step of the pyramid.

>>10640314
You can make concrete walls from lots of ingredients.
You just have to put the correct amount of different ingredients into the mixture.
Nowaday the most popular mixture is cement, rock powder and water.
You can use lots of other combinations of componets to get a solid block:
- clay, hay, water
- clay, water, heat
- clay, rock powder, limestone, water, heat
- clay, rock powder, limestone, sugar, metal powder, water
- clay, sandstone, limestone, iron, sheep hair, ash, water
- etc.
After thousands of years it will be hard to tell if a building block is a natural rock or an artificial rock.