UnchartedX on MSN

Spiral drill marks in granite that should not exist found in Egypt

A granite drill core from ancient Egypt shows a continuous spiral groove that implies cutting speeds and pressure beyond ...
UnchartedX on MSN

The Egyptian artifact that points to a lost pre-cataclysm world

A granite drill core from ancient Egypt shows a continuous spiral groove that implies cutting speeds far beyond modern ...
The Debrief

5,300-Year-Old Egyptian Artifact Confirms Existence of “Mechanically Sophisticated” Drilling Technology Before the Age of the Pharaohs

Researchers have identified the earliest known "mechanically sophisticated" drill found in association with ancient Egyptian ...

5,300-Year-Old Bow Drill Proves Ancient Egypt Had Advanced Tech Far Earlier Than Expected

"Egyptian craftspeople mastered reliable rotary drilling more than two millennia before some of the best-preserved drill sets." ...