Which are the scientific & technological inventions in India, that have become popular world-wide?
Wootz is the name given to an exceptional grade of iron ore steel first made in southern and south central India and Sri Lanka perhaps as early as 300 BC.Go to this site for more info -
Till today no steel in the world can match Wootz steel.
1) Autocannon and multi-barrel gun: Fathullah Shirazi (c. 1582), a Persian-Indian polymath and mechanical engineer who worked for Akbar in the Mughal Empire, invented the autocannon, the earliest multi-shot gun. Shirazi's rapid-firing gun had multiple gun barrels that fired hand cannons loaded with gunpowder.
2) Bhatnagar-Mathur Magnetic Interference Balance: Invented jointly by Shanti Swarup Bhatnagar and K.N. Mathur in 1928, the so-called 'Bhatnagar-Mathur Magnetic Interference Balance' was a modern instrument used for measuring various magnetic properties. The first appearance of this instrument in Europe was at a Royal Society exhibition in London, where it was later marketed by British firm Messers Adam Hilger and Co, London.
3) Bounce lighting: Invented by cinematographer Subrata Mitra for The Apu Trilogy, three Bengali films by parallel Indian film director Satyajit ...more