AI-powered
podcast player
Listen to all your favourite podcasts with AI-powered features
2min chapter
Concrete
Patented: History of Inventions
The Pyramids of Kufus
There's no concrete in the pyramids as far as I know or anything like it. The pyramid of kufus costs somewhere around 78 million days of human labor which is cheaply available to someone who rules an area of fertile land. Any seven modern Americans in an average American lifetime and average American energy use will get through more than the amount of energy it costs to build the Kufus pyramids.
00:00
Transcript
Episode notes
Get the Snipd
podcast app
Unlock the knowledge in podcasts with the podcast player of the future.
AI-powered
Discover
highlights
Listen to the best highlights from the podcasts you love and dive into the full episode
Save any
moment
Hear something you like? Tap your headphones to save it with AI-generated key takeaways
Share
& Export
Send highlights to Twitter, WhatsApp or export them to Notion, Readwise & more
AI-powered
podcast player
Listen to all your favourite podcasts with AI-powered features
Discover
highlights
Listen to the best highlights from the podcasts you love and dive into the full episode