Ancient & Medieval
Inventions · प्राचीन और मध्यकालीन · 12 facts
1
Gunpowder was invented in China around 9th century
2
Compass was invented in ancient China for navigation
3
Archimedes discovered principle of buoyancy in 250 BC
4
Ptolemy proposed the geocentric model of the universe
5
Copernicus proposed the heliocentric model in 1543
6
Al-Khwarizmi is father of algebra wrote Kitab al-Jabr
7
Leonardo da Vinci designed early flying machines in 1480s
8
Roger Bacon described gunpowder formula in Europe 1267
9
Euclid wrote Elements foundational geometry text 300 BC
10
Ibn Sina wrote The Canon of Medicine in 11th century
11
Pythagoras gave the Pythagoras theorem around 500 BC
12
Hero of Alexandria invented first steam device aeolipile