Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

> It's just not possible these tools were used to create the amazingly accurate pieces you find in Egypt, fashioned in some of the hardest materials we know.

The pyramids are almost entirely made of limestone. Limestone is around a 3.5 on the mohs hardness scale.

The scale goes up to 10 (diamond).

Granite (king's chamber, sarcophaguses, plugs) is around 6, 6.5.

Guess what's above that? Quartz. AKA your common desert sand.



Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: