Science and Technology of ancient civilisations:
1.5 Mya -1100CE
•Attirampakkam (S. India) 1.5 Mya
•stone age tools by Acheulian hominins
•Mehrgarh (Balochistan in Pakistan) 6500 BCE
•Farming, proto-dentistry, brick houses, copper ornaments
•Indus Valley Civilisation (Afghanistan to NW India)3300-1300BCE
•Extensive domestication, urban centres, sewage systems, bronze, tin,
weights and measures, animal seals, ceramic, written language, idol
worship, yoga
•Post Harappan (Iron age, second urbanisation)1300-300BCE
•Vedic texts, large numbers, Vedanga Jyotisa (earliest astronomical text),
calendar, zodiac, veterinary medicine, sword, iron-pillar of Chandragupta
II, Vaisheshika and Buddhist school of atomism, negative numbers
•Beginning of Common Era 300BCE -1100CE
•Glass, Wootz steel (S. India), binary numbers (Pingala), Brahmagupta,
Aryabhata, Baskara II, cartography, indigo dye, Susruta Samhita