The Rope That Doesn’t Rot in Salt Water 🌊 | Coir Explained. #coir #history

The Rope That Doesn’t Rot in Salt Water 🌊 | Coir Explained #shorts #coir #history

Hello🖐🏻 everyone welcome to History Nova 2.0

Coir is a natural rope made from coconut fiber 🌴
Unlike iron, it does not rot in salt water.
In ancient India, ships were built without iron nails.
Wooden planks were stitched together using coir rope, making ships flexible, durable, and perfect for the ocean.
When coir gets wet, it expands and tightens joints instead of weakening.
This is because coir is rich in lignin, a natural polymer that resists water damage.
This is an example of ancient Indian engineering, sustainable technology, and lost maritime knowledge.
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