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Earth's orbit (Sidereal year): The Hindu cosmological time cycles explained in the Surya Siddhanta (c.600 CE), give the average length of the sidereal year (the length of the Earth's revolution around the Sun) as 365.2563627 days, which is only a negligible 1.4 seconds longer than the modern value of 365.256363004 days. [238] [failed ...
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 ...
Debiprasad Chattopadhyaya (1977) History of Science and Technology in Ancient India: The Beginnings with a foreword by Joseph Needham. Project of History of Indian Science, Philosophy and culture, Volume 4. Fundamental Indian Ideas in Physics, Chemistry, Life Sciences and Medicine
The early centuries immediately before the common era saw the Buddhists and the Jains of India adapt the stepwells into their architecture. [7] Both the wells and the form of ritual bathing reached other parts of the world with Buddhism. [7] Rock-cut step wells in the subcontinent date from 200-400 CE. [10]
However, according to former Indian science and technology minister Kapil Sibal, India is lagging in science and technology compared to developed countries. [4] 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]
All India Secondary School Examination, commonly known as the class 10th board exam, is a centralized public examination that students in schools affiliated with the Central Board of Secondary Education, primarily in India but also in other Indian-patterned schools affiliated to the CBSE across the world, taken at the end of class 10. The board ...
A. P. J. Abdul Kalam was an Indian aerospace scientist and statesman who served as president of India from 2002 to 2007. [1] Born in Rameswaram in Southern India, Kalam spent four decades as a scientist and science administrator, mainly at the Defence Research and Development Organisation and Indian Space Research Organisation and was intimately involved in India's civilian space programme and ...
A. P. J. Abdul Kalam, aerospace engineer, missile man of India (1931–2015 CE) E. C. George Sudarshan, theoretical physicist (1931–2018 CE) Manilal Bhaumik, physicist (1931–present CE) Nilamber Pant, space scientist (1931–present CE) P. K. Iyengar, nuclear physicist (1931–2011 CE) Surindar Kumar Trehan, mathematician (1931–2004 CE)