How the pyramids were built in Egypt
What it is
The Geopolymer Institute presents Joseph Davidovits's theory that the Egyptian pyramids were built from cast artificial limestone, a geopolymer concrete, rather than carved blocks. It demonstrates how few people could make blocks.
Why Hacker News recommends it
HN brings it up as an alternative, fringe theory about pyramid construction, with one commenter saying it was proved by demonstration and analysis.
- 1 people recommended it
- 1 different months
- 0 strong recommendations
- first 2017, last 2024
What HN commenters said
“they literally proved it through a demonstration and chemical analysis”
Demonstration and chemical analysis of pyramid concrete theory.
dylesp, 2024-11 · Recommendation · in “How the pyramids were built with ancient concrete”
Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.
Topics: pyramids, geopolymer, davidovits, ancient concrete, egypt
Also recommended by the same people
explainerStroads are Ugly, Expensive, and Dangerous (and they're everywhere) [ST05]Not Just Bikes · 12 HN recommenders · 2021–2025
documentary1. How Buildings Learn - Stewart Brand - 1 of 6 - “Flow”Stewart Brand · 8 HN recommenders · 2013–2020
explainerWhat Really Happened During the Texas Power Grid Outage?Practical Engineering · 6 HN recommenders · 2021–2026
explainerOrbital RingsIsaac Arthur · 4 HN recommenders · 2017–2025
explainerBuilding a Cathedral without Science or Mathematics: The Engineering Method Explainedengineerguy · 5 HN recommenders · 2023–2026
explainerWorld's Largest Batteries - (Pumped Storage)Practical Engineering · 4 HN recommenders · 2020–2024
demoPrimitive Technology: Tiled Roof HutPrimitive Technology · 3 HN recommenders · 2015–2018
demoTaipei 101 Damper movement on 12 May 08phuaalvin · 4 HN recommenders · 2014–2022