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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 ...
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]
Late 4th century BC: Formal systems by Pāṇini in India, possibly during the reign of Chandragupta Maurya. [253] 4th to 3rd century BC: Zinc production in North-Western India during the Maurya Empire. [254] The earliest known zinc mines and smelting sites are from Zawar, near Udaipur, in Rajasthan. [255] [256]
India has only 140 researchers per 1,000,000 population, compared to 4,651 in the United States. [4] India invested US$3.7 billion in science and technology in 2002–2003. [5] For comparison, China invested about four times more than India, while the United States invested approximately 75 times more than India on science and technology. [5]
Timeline of the COVID-19 pandemic in India (January–May 2020) Timeline of the COVID-19 pandemic in India (June–December 2020) ... Timeline of Indian innovation; M.
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