Archaeological discovery at Karahan Tepe reveals ancient waterproof cement technique previously credited to Romans 🏗️🔬
Key facts:
- Terrazzo-like flooring discovered at Karahan Tepe in Turkey, dating to Pre-Pottery Neolithic period
- Ancient builders heated limestone to create powdery cement (estimated around 850°C based on similar techniques)
- The resulting cement was waterproof and used for floors
- This predates Roman-era cement techniques by millennia
- Findings are part of ongoing excavations at this Pre-Pottery Neolithic site when no pottery existed