About this document
The Origins of Zoo Conservation by Lê Nhật Linh is a document available to read on EtoBox.
The document summarizes the history of fire-lighting techniques used by early humans. It discusses how early humans saw fire as a divine gift and were unable to create it themselves, instead storing burning logs or charcoal. The earliest method of making fire was through friction techniques like rapidly rotating a wooden drill. Percussion methods using flint sparks or iron pyrites also developed. Matches were later invented using ingredients like phosphorus and potassium chlorate, though early versions were
- Author
- Lê Nhật Linh
- Language
- EN