Search results
Results From The WOW.Com Content Network
Timeline of Indian innovation encompasses key events in the history of technology in the subcontinent historically referred to as India and the modern Indian state.. The entries in this timeline fall into the following categories: architecture, astronomy, cartography, metallurgy, logic, mathematics, metrology, mineralogy, automobile engineering, information technology, communications, space ...
Single roller cotton gin – The Ajanta Caves of India yield evidence of a single roller cotton gin in use by the 5th century. [66] This cotton gin was used in India until innovations were made in form of foot powered gins. [67] The cotton gin was invented in India as a mechanical device known as charkhi, more technically the "wooden-worm ...
13th century: Earliest documented snow goggles, a type of sunglasses, made of flattened walrus or caribou ivory are used by the Inuit peoples in the arctic regions of North America. [361] [362] In China, the first sunglasses consisting of flat panes of smoky quartz are documented. [363] [364] 13th century - 14th century: Worm gear cotton gin in ...
The following dates are approximations. 700 BC: Pythagoras's theorem is discovered by Baudhayana in the Hindu Shulba Sutras in Upanishadic India. [18] However, Indian mathematics, especially North Indian mathematics, generally did not have a tradition of communicating proofs, and it is not fully certain that Baudhayana or Apastamba knew of a proof.
Timeline of major famines in India during British rule; Timeline of major famines in India prior to 1765; I. ... Timeline of Indian innovation; M.
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
Scientists from India also appeared throughout Europe. [134] By the time of India's independence colonial science had assumed importance within the westernized intelligentsia and establishment. French astronomer, Pierre Janssen observed the Solar eclipse of 18 August 1868 and discovered helium, from Guntur in Madras State, British India. [134]
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!