Science and Technology, This section contains topics focusing on science and technology,. Aspirants for competitive exams such as UPSC Civil Services, PSC and other competitive exams will surely get benefits from these short, rich and comprehensive notes. The notes prepared here, are crafted from articles published in various prestigious Newspapers by famous writers, thinkers, politicians, bureaucrats, and public figures.

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World Ozone Day 2020: 35 Years of International Day for the Preservation of the Ozone Layer

World Ozone DayApprox Read Time: 5 min World Ozone Day In News: Recently, World Ozone Day was observed on 16th September. It is celebrated to spread awareness among people about the depletion of the Ozone Layer and to search for possible solutions to preserve it.In December, 1994, the United Nations General Assembly proclaimed September 16 as the International Day for the Preservation of the Ozone Layer.This was done to commemorate the date,…

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Astronomers find potential signs of alien life on inhospitable venus

Alien LifeApprox Read Time: 3 min In News: In the clouds of planet Venus, scientists claimed to have detected a gas called phosphine that potentially indicates microbial life may inhabit that planet.However, there is a long way before actually establishing any real signs of life, include the correctness of phosphine detection itself. About: Phosphine Alien Life Phosphine (PH3) is a pyramidal molecule comprising three hydrogen atoms joined to a single phosphorus atom.In the…

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India tests scramjet tech for hypersonic missiles, is 4th in club

Hypersonic MissilesApprox Read Time: 3 min Hypersonic Missiles In News: The Defence Research and Development Organisation (DRDO) has successfully tested a Hypersonic Technology Demonstrator Vehicle (HSTDV), powered by a scramjet engine.The HSTDV tests the indigenously developed hypersonic air-breathing scramjet technology.This makes India only the fourth country in the world after the US, China and Russia to develop and test the technology, that will lead to the development of missiles that will travel at…

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From billions of years ago, lesson on black holes

Black HolesApprox Read Time: 3 min Black Holes In News: Recently, astronomers have reported that they have detected the loudest, most massive collision, between a pair of black holes till now.This led to the discovery of a black hole, which is the oldest ever detected black hole till now. The discovered black hole was born from a merger of two black holes.One black hole with 85 times the mass of the sun, and a…

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Global team of scientists discovers one of the earliest galaxies using India’s AstroSat.

India's AstroSat.Approx Read Time: 5 minutes  AstroSat. In News: A global team led by scientists of the Inter University Centre for Astronomy and Astrophysics (IUCAA) has discovered one of the earliest galaxies in extreme ultraviolet light.The team comprises scientists from India, Switzerland, France, USA, Japan and Netherlands.The study was and was published on August 24 in Nature Astronomy. News Summary: AstroSat has detected extreme UV light from a galaxy called AUDFs01 which is 9.3…

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Parliamentary panel calls DNA Bill premature

DNA Technology BillApprox Read Time: 4 minutes  DNA Technology Bill In News: The Parliamentary Standing Committee on Science and Technology has flagged some issues with the DNA Bill. News Summary: The parliamentary standing committee on science and technology has come up with a draft report on the DNA Technology (Use and Application) Regulation Bill, 2019.Note: The draft report has not yet been finalised, but nonetheless useful to understand concerns about the Bill.…

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Indigenous nuke reactors in Gujarat achieves criticality

Nuclear reactors achieves criticalityRead Time: 8 minutes In News: The Nuclear Power Corporation of India Limited (NPCIL) has achieved criticality of a third unit of 700 MWe (Megawatt electric) at the Kakrapar Atomic Power Plant in Tapi district, Gujarat.This new third unit is entirely indigenous. The first two units at Kakrapar of 220 MWe (Megawatt electric) each were based on Canadian technology.The components and equipment for the reactor were manufactured by…

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Science Updates: UAE launches Amal, its first mission to Mars

Al-Amal MissionApprox Read Time: 5 minutes  Sources: Internet In News: The United Arab Emirates (UAE) has launched its first-ever mission to Mars, an unmanned probe called 'Al-Amal' or 'Hope'.It was launched on a Japanese rocket from the Tanegashima Space Centre in southern Japan.So far, only the United States, India, the former Soviet Union, and the European Space Agency have successfully sent missions to orbit Mars. Al-Amal or Hope mission: Details of the mission:…

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