🔆 Science and Technology in Ancient India 📍 Metallurgy in Ancient India ✅ Wootz Steel: Developed in 300 BCE, used for Damascus swords. ✅ Iron Pillar of Delhi: Rust-resistant, due to phosphorus coating. ✅ Lost Wax Technique: Used for detailed metal casting, e.g., Dancing Girl of Mohenjo-daro. 📍 Mathematics and Astronomy ✅ Baudhayan: Introduced the value of Pi, Pythagorean Theorem in the Sulva Sutra. ✅ Aryabhatta (476 CE): Concept of zero, Earth’s rotation. ✅ Brahmagupta (598–668 CE): Developed place value system, negative numbers. ✅ Bhaskaracharya (1114–1185 CE): Developed the LCM, Beejaganit, and Chakravala method. ✅ Mahavira (9th Century): Worked on LCM calculations. 📍 Notable Individuals & Contributions ✅ Wootz Steel: Renowned for super-plasticity. ✅ Khagolshastra: Used for calendars, navigation, and weather forecasts. ✅ Translation: Indian mathematics to the Islamic world via Brahmasphutasiddhanta. #art_and_culture