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Syllabus subtopic: Science and Technology- Developments and their Applications and Effects in Everyday Life. Prelims and Mains focus: about the working of Li-ion battery: advantages and disadvantages; about India’s efforts to indigenously manufacture them Background for Lithium Ion Battery Indian manufacturers source Li-ion batteries from China, Japan and South Korea and the country is among the largest importers in the world. China dominates the Li-ion battery market. Accord
29 November, 2021 Quantum Technology Part of: GS Prelims and GS-III- S&T (Editorial plus) What is this technology? Quantum computers perform calculations based on the probability of an object's state before it is measured - instead of just 1s or 0s - which means they have the potential to process exponentially more data compared to classical computers. Classical computers carry out logical operations using the definite position of a physical state. These are usually binary, meaning
30 December, 2021 Genes Gene is a sequence of DNA or RNA that codes for a molecule that has a function. They are made of DNA and is a subdivision of DNA. They are packed in Chromosomes. Genes contain the bio-information that defines any individual. Physical attributes like height, skin or hair colour, more subtle features and even behavioural traits can be attributed to information encoded in the genetic material. A genome is the DNA or sequence of genes in a cell. Human geno
28 October, 2020 Analysis of Indian Genes What is the news? Recently, the results from the computation analysis of the 1029 sequenced genomes from India were published in the scientific journal, Nucleic Acid Research. The analysis has found that out of 55,898,122 single nucleotide variants in India 18,016,257 (32.23%) variants are unique and found only in the samples sequenced from India. This emphasizes the need for an India centric population genomic initiative. The analysis was carried out by C
28 October, 2020 PLACID Trials Recently, the PLACID Trial, a multicentre randomized controlled trial, has shown that the use of convalescent plasma (CP) as a therapeutic for Covid-19 patients showed no positive effects and did not improve the outcome of the patients. The randomised controlled trial (RCT) is a trial in which subjects are randomly assigned to one of two groups: one (the experimental group) receiving the intervention that is being tested, and the other (the comparison group or control) rece
27 October, 2020 Would space exploration survive in the era of privatisation? Context Perhaps the most stunning instance of a collaboration between public enterprises and the private sector in recent times is that between NASA and SpaceX. It is stunning because of the sheer extent of the frontier it is trying to breach. With its reusable rockets, large capsules to carry payloads and crew and competitive pricing, SpaceX has revolutionised the space sector. The latest instances of this include th
29 November, 2020 Dry Swab RT-PCR Covid-19 Test. Recently, the Council of Scientific and Industrial Research-Centre for Cellular and Molecular Biology (CSIR-CCMB) has got the permission of the Indian Council of Medical Research (ICMR) to commercially use the dry swab RNA-extraction free testing method for the Covid-19. Key Points About: Dry swab method has a consistency of 96.9%. The comparison of conventional (swab-VTM-RNA extraction-RT-PCR) and the si
28 November, 2020 Brain Fingerprinting The accused in Hathras rape case will undergo brain fingerprinting. Key takeaways Brain Electrical Oscillation Signature Profiling (BEOSP) is also known as brain fingerprinting. It is a neuropsychological method of interrogation in which the accused’s participation in the crime is investigated by studying their brain’s response. The BEOSP test is carried out via a process known as an electroencephalogram, conducted to study the electrical beh
28 November, 2020 Blue Tide phenomenon observed in Maharashtra Over the last few days, visitors to beaches in Maharashtra have witnessed the fluorescent bluish glow when the waves hit the shoreline. Key takeaways The phenomenon is called ‘blue tide’. It appears when luminescent marine life makes the sea appear a deep shade of blue. It occurs when phytoplankton (microscopic marine plants), commonly known as dinoflagellates, produce light through chemical reactions in proteins. Waves
28 November, 2020 Electronic Vaccine Intelligence Network The Indian government is using eVIN (Electronic Vaccine Intelligence Network) in association with the United Nations Development Program (UNDP) to identify primary beneficiaries and vaccine distribution networks. Evin is an indigenously developed technology. It digitises vaccine stocks and monitors the temperature of the cold chain through a smartphone application. The innovative eVIN was first launched across 12 states in 2015 to suppor
27 November, 2020 Sea Guardian Drones from US Recently, two American MQ9B Sea Guardian unarmed drones have been inducted by the Indian Navy. It is the maritime variant of the Predator MQ9 Unmanned Aerial Vehicle (UAV).
25 November, 2020 New variant of Coronavirus in UK? Coronavirus is a highly important topic for UPSC Mains and Prelims examination 2021. It is a part of GS Paper II and GS Paper III under Science and Technology. The first Variant Under Investigation in December 2020 (VUI – 202012/01), also known as lineage B.1.1.7, is a variant of SARS-CoV-2, the virus that causes COVID-19. The variant was first detected in the United Kingdom in October 2020 from a sample taken the previous month, and it quickly b
22 December, 2020 Analysis of Scientific publishing works What is the issue? Three scientific publishers — Elsevier, Wiley, and the American Chemical Society (ACS) — led a suit against Alexandra Elbakyan of Kazakhstan and others in the Delhi High Court on December 21, 2020. The case will reportedly be heard this wee
24 December, 2020 New strain of COVID-19 in Nigeria GS Paper III - S&T Coronavirus (PT-Mains-Interview) Context: Coronavirus is a highly important topic for UPSC Mains and Prelims examination 2021. It is a part of GS Paper II and GS Paper III under Science and Technology. Another new variant of the novel coronavirus seems to have emerged in Nigeria. The news comes after Britain and South Africa both reported new variants of the SARSCoV2 virus that appear to be more contagious
25 December, 2020 Evolution of Life Chemists have come up with a new proposition for how life may have begun. In a study published in Angewandte Chemie, the researchers showed a simple compound diamidophosphate could have knitted together the building blocks of DNA to form the primordial structures. The possibility is that DNA and RNA arose together and that the first life forms were a mixture of the two.
03 January, 2021 Nendran Banana grit or granules Scientists at the CSIR-National Institute for Interdisciplinary Science and Technology (NIIST) at Pappanamcode in Kerala have come up with a new product, banana grit or granules, developed from raw Nendran bananas. Billed as an ideal ingredient for a healthy diet, banana grit can be used for making a wide range of dishes, according to the NIIST. The product resembles ‘Rava’ and broken wheat. “The concept was introduced to utilis
04 January, 2021 Quantum Technology In last year’s budget session, the Finance Minister of the Government of India proposed that Rs.8,000 crore be set aside to develop quantum science and technology. The detailed project report for a National Mission on Quantum Technology and Applications (NM-QTA) has been drawn out and finalised, and in the next couple of months, this mission might get approval. Recognising the importance of quantum technology, the Department of Science and Technology of the G
10 January, 2021 Identical twins are not exactly genetically the same Scientists in Iceland sequenced DNA from 387 pairs of identical twins – those derived from a single fertilized egg – as well as from their parents, children and spouses. That allowed them to find “early mutations that separate identical twins. A mutation means an alteration in a sequence of DNA – a tiny change that is not inherently good or bad, but can influence physical features or susceptibility to certain
10 January, 2021 Council of Scientific & Industrial Research (CSIR) CSIR is the largest R&D organisation in India. CSIR has a pan-India presence and has a dynamic network of 38 national laboratories, 39 outreach centres, 3 Innovation Complexes and 5 units. It was established in Sep 1942 with HQ at Delhi. CSIR is funded by MoS&T and it operates as an autonomous body through the Societies Registration Act, 1860. CSIR covers a wide spectrum of strea
18 January, 2021 Draft Science Policy, 2020 On March 4, 1958, under the leadership of Jawaharlal Nehru, for the first time in the history of independent India, Parliament passed a resolution on science policy. The resolution stated: “Science... has provided new tools of thought and has extended man’s mental horizon. It has thus influenced even the basic values of life, and given to civilization a new vitality and a new dynamism.” The resolution said the aim of the scientific polic
28 January, 2021 How Neutrinos help in the death of massive stars? Many stars, towards the end of their lifetimes, form supernovas - massive explosions that send their outer layers shooting into the surrounding space. Most of the energy of the supernova is carried away by neutrinos – tiny particles with no charge and which interact weakly with matter. Researching the mechanisms of the so called Type II supernovas, a team from IIT Guwahati has come up with new insights into the part played by n
31 January, 2021 China’s nuclear power plant China National Nuclear Corporation said its first nuclear power unit that uses Hualong One, a third-generation reactor, started commercial operation. The reactor, located in Fuqing city in China’s southeastern Fujian province, was designed to have a 60-year lifespan, with its core equipment domestically produced. Each unit of the Hualong No. 1 has a capacity of 1.161 million kilowatts and can meet the annual domestic electricity demand of 1 million p
31 January, 2021 Raman Effect- National Science Day National Science Day National Science Day, which fell on February 28, commemorates a path-breaking discovery of Raman Effect. Three more physicists from Calcutta, namely Jagadish Chandra Bose, Satyendra Nath Bose and Meghnad Saha, had by then made major contributions that were globally acclaimed. It seems very thoughtful and rational that our National Science Day celebrates a discovery (Raman Effect) and not the birthday of its discoverer.
01 March, 2021 Development of Synthetic Flavonoids Recently, scientists from Agharkar Research Institute (ARI), Pune have found the first synthetic route for producing flavonoid molecules related to the treatment of tuberculosis and chikungunya. Key takeaways It is for the first time that the flavonoid molecules such as rugosa flavonoids, podocare flavone and isoflavone have been synthesised in a lab. These three molecules have so far been isolated from plants only. These are par
19 August, 2020 Swadeshi Microprocessor Challenge launched Launched by: Ministry of Electronics & Information Technology (MeitY) Aim: To provide further impetus to the strong ecosystem of Start-up, innovation and research in the country. To realize the ambition of self-reliance. Indigenously developed microprocessors SHAKTI and VEGA have also been rolled out under the Microprocessor Development Programme. Microprocessor Development Programme Aim: Meeting Ind
27 August, 2020 About National Hydrogen Energy Mission, 2021-22 The Union Budget for 2021-22 has announced a National Hydrogen Energy Mission (NHEM) to draw up a road map for using hydrogen as an energy source. This initiative can transform transportation. NHM initiative will capitalise on one of the most abundant elements on earth (Hydrogen) for a cleaner alternative fuel option. About NHEM: Focus on the generation of hydrogen from green power resources. To link India’s growing renew
11 January, 2022 Asteroid 2001 FO32 Asteroid 2001 FO32 is the largest asteroid that passed by Earth in 2021. It was discovered 20 years ago by the Lincoln Near-Earth Asteroid Research (LINEAR) program in Socorro, New Mexico in 2001. When it is at its closest to Earth, it is at a distance of 2 million km (Equal to 5¼ times the distance between Earth & moon). So, it has been designated as a “potentially hazardous asteroid”. The reason for the asteroid’s close appr
25 March, 2021 Green Hydrogen- India’s push through National Hydrogen Energy Mission Introduction India will soon join 15 other countries in the hydrogen club as it prepares to launch the National Hydrogen Energy Mission (NHEM). Important data The global target is to produce 1.45 million tonnes of green hydrogen by 2023. Currently, India consumes around 5.5 million tonnes of hydrogen, primarily produced from imported fossil fuels. In 2030, according to an analysis by the Council
22 April, 2021 Bitcoin push by El salvador Introduction On June 9, El Salvador became the first sovereign nation to make a cryptocurrency legal tender. The law pushed by its 39-year-old President, Nayib Bukele, passed with 62 out of 84 votes. It mandates that Bitcoin should now be accepted as a valid payment by all establishments, except those that do not have the technical wherewithal to do so. This puts the digital currency that does not answer to any government monetary policies on the sam
13 June, 2021 Illegal sale of HT Bt Cotton doubled What is Genetic Engineering? Through genetic engineering, scientists are able to move desirable genes from one plant or animal to another or from a plant to an animal or vice versa. In essence, genetic engineering is a technology wherein a specific gene can be selected and implanted into the recipient organism. The process of genetic engineering involves splicing an area of a chromosome, a gene, that controls a certain characteristic of the body.
19 June, 2021 Assam planted the World's first-ever genetically modified rubber plant World’s first GM Rubber plant in Assam A Rubber Board research farm on the outskirts of Guwahati now sports the world’s first genetically modified (GM) rubber plant tailored for the climatic conditions in the Northeast. The GM rubber has additional copies of the gene MnSOD, or manganese-containing superoxide dismutase, inserted in the plant, which is expected to tide over the severe cold conditions
23 June, 2021 Cryptocurrency and China China’s central bank said all financial transactions involving cryptocurrencies are illegal, sounding the death knell for the digital trade in China after a crackdown on the volatile currencies. What is Blockchain Technology? Blockchains are a new data structure that is secure, cryptography-based, and distributed across a network. The technology supports cryptocurrencies such as Bitcoin and the transfer of any data or digit
25 September, 2021 Rajasthan gets genome sequencing laboratory The facility for genome sequencing to identify new variants of SARS-CoV-2 has been started at Sawai Man Singh Government Medical College here, making Rajasthan the first State in the country to have such a provision for complete sequencing at the State level. The facility had been made available in the State at a cost of ?1 crore for getting information about new variants of the virus. The samples from the State were so far being sent to the
26 June, 2021 Production Linked Incentive scheme “National Programme on Advanced Chemistry Cell Battery Storage” The Cabinet has approved the proposal of the Department of Heavy Industry for the implementation of the Production Linked Incentive (PLI) Scheme 'National Programme on Advanced Chemistry Cell (ACC) Battery Storage’ for achieving manufacturing capacity of Fifty (50) Giga Watt Hour (GWh) of ACC and 5 GWh of "Niche" ACC with an outlay of Rs.18,100 crore. Advance
12 May, 2021 Genome sequencing in India The facility for genome sequencing to identify new variants of SARS-CoV-2 has been started at Sawai Man Singh Government Medical College here, making Rajasthan the first State in the country to have such a provision for complete sequencing at the State level. The facility had been made available in the State at a cost of ?1 crore for getting information about new variants of the virus. The samples from the State were so far being sent to the Institute of Gen
03 July, 2021 Everything about: Gravitational Waves Gravitational Waves (GW): When 2 black holes merge, it will radiate GW. GW are ‘ripples’ in the fabric of space-time caused by some of the most violent and energetic processes in the Universe. They are extremely weak so are very difficult to detect. Albert Einstein predicted the existence of gravitational waves in 1916 in his general theory of relativity. These ripples travel at the sp
04 July, 2021 DBT-NIBMG creates the world’s first database of genomic variants of oral cancer DBT-National Institute of Biomedical Genomics (NIBMG), Kalyani an Autonomous Institute funded by the Department of Biotechnology, Government of India has created a database of genomic variations in oral cancer; the first of its kind in the world. NIBMG has made this database publicly-accessible. dbGENVOC is a browsable online database of GENomic Variants of Oral Cancer and is a free resou
08 July, 2021 Automated Train Toilet Sewerage Disposal System Automated Train Toilet Sewerage Disposal System: 7 times cheaper alternative to Biotoilets An automated technology for collection of toilet waste which is easy to maintain and seven times cheaper alternative to the bio-toilets, developed by an Indian scientist, can be used to maintain the toilet system of the Indian Railways. Existing Bio toilets use anaerobic bacteria for converting human waste to gas, but that bacteria can’t
17 July, 2021 Indian scientists discover materials that self-repair mechanical damages New materials may soon make it possible for damaged electronic components, such as in space crafts, to mend themselves. The materials recently developed by scientists can repair their own mechanical damages with the electrical charges generated by the mechanical impact on them. Devices that we use daily often break down due to mechanical damage, forcing us either to repair or replace them. This decreases the life of
25 July, 2021 PM's Science, Technology and Innovation Advisory Council (PM-STIAC) Govt scraps Scientific Advisory Committee (SAC) and replace it with PM's Science, Technology and Innovation Advisory Council (PM-STIAC) It has 2 functions Act as a high-level advisory body to several ministries. Execute Mission-oriented programmes. It has 9 members. Unlike the earlier SACs, Secretaries of various scientific ministries like Education, Environment and Health would be
26 July, 2021 I-STEM Web Portal: Phase II The Indian Science Technology and Engineering facilities Map (I-STEM), the national web portal for sharing R&D facilities was formally launched in January 2020. I-STEM (www.istem.gov.in) is an initiative of the Office of the Principal Scientific Adviser to the Govt. of India (PSA, GOI) under the aegis of the Prime Minister Science, Technology and Innovation Advisory Council (PM-STIAC) mission. I-STEM project has been accorded extension for five ye
26 July, 2021 Science, Technology and Innovation (STI) Policy, 2013 The policy seeks to focus on both STIs for people and people for STIs. It aims to bring all the benefits of STI to national development and sustainable and more inclusive growth. It seeks the right sizing of gross expenditure on R&D by encouraging private sector participation in R&D, Technology and Innovation. It also wants to bring gender parity in STI activities and gaining global competitiv
26 July, 2021 National IPR Policy, 2016 (1st IPR Policy) It came in the backdrop of the USTR Special 301 Report (on Global State of IPR Protection and Enforcement) retaining India on the 'Priority Watch List. ‘Creative India, Innovative India’ is the tagline of the policy. This is to incentivize entrepreneurship, creativity and innovation and curb the manufacturing and sale of counterfeits. Objectives: IPR Awareness, outreach and promotion; Create an atmosphere of in
26 July, 2021 Genetic Engineering What is Genetic Engineering? Through genetic engineering, scientists are able to move desirable genes from one plant or animal to another or from a plant to an animal or vice versa. In essence, genetic engineering is a technology wherein a specific gene can be selected and implanted into the recipient organism. The process of genetic engineering involves splicing an area of a chromosome, a gene, that controls a certain characteristic of the body. For exampl
02 August, 2021 Nuclear Fusion Energy What is Nuclear Fusion? Fusion is the energy source of the Sun and stars. In the tremendous heat and gravity at the core of these stellar bodies, hydrogen nuclei collide, fuse into heavier helium atoms and release tremendous amounts of energy in the process. Nuclear fusion is defined as the combining of several small nuclei into one large nucleus with the subsequent release of huge amounts of energy. Nuclear fusion powers our sun and harnessing this fusion en
22 August, 2021 Mission Samudrayan – India’s first Manned Ocean Mission About Mission Samudayan Based on the experience gained over two decades in the development of unmanned robotic vehicles and systems for 6000 m operational capability, MoES-NIOT is indigenously developing a manned submersible with a depth capability of 6000 meters under the aegis of Deep Ocean Mission. The manned submersible is designed to carry three persons in 2.1-meter diameter Titanium Alloy Personnel Sphere
29 October, 2021 Jigyasa: Scientist – Student Connect Programme Since the Jigyasa program launch in 2017, Jigyasa was successful in connecting nearly 3,00,000 students and more than 5,000 teachers with CSIR and they have benefited directly through visits to CSIR labs. The majority of the CSIR labs are participating in this program and subsequently, MoU has been signed with Jawahar Navodaya Vidyalaya and also with Atal Tinkering Labs of NITI AAYOG. The major stakeholders for the p
23 November, 2021 ACROSS Scheme The Cabinet Committee on Economic Affairs chaired by Prime Minister Shri Narendra Modi today gave its approval for the continuation of the umbrella scheme "Atmosphere & Climate Research-Modelling Observing Systems & Services (ACROSS)" along with its eight sub-schemes to the next finance cycle of five years i.e. 2021-2026 at an estimated cost of Rs.2,135 crore. ACROSS Scheme One of the mandates of the Ministry of Earth Sciences is to observe the weather
25 November, 2021 O SMART Scheme The Cabinet Committee on Economic Affairs chaired by Prime Minister Shri Narendra Modi today gave its approval for the continuation of the umbrella scheme "Ocean Services, Modelling, Application, Resources, and Technology (O-SMART)" of the Ministry of Earth Sciences, for implementation during the period from 2021-26 at an overall cost of Rs. 2177 crore. What is O SMART Scheme? The scheme encompasses seven sub-schemes namely Ocean Technology, Ocean Modelli
25 November, 2021 National Initiative for Design Innovation (NIDI) The government launched the scheme “National Initiative for Design Innovation (NIDI)” in March 2014. The scheme envisaged the establishment of 20 Design Innovation Centres (DIC), One Open Design School (ODS) and One National Design Innovation Network (NDIN) across the country for promoting the culture of innovation, design and creative problem-solving. Presently, 20 DICs have been established on Hub-Spoke Model wi
05 February, 2022 Google's ‘Street View’ Recently, Google announced the launch of its popular ‘Street View’ feature in India – after failing to bring the experience to India at least twice in the past decade following security concerns raised by the government agencies over the collection of data. What is Google Street View? Google Street View is an immersive 360-degree view of a location captured using special cameras mounted on vehicles or on backpacks by dat
28 July, 2022 Council of Scientific and Industrial Research Nallathamby Kalaiselvi, a senior electrochemical scientist, has been named the Council of Scientific and Industrial Research's first female Director General. Her appointment is for a period of two years with effect from the date of assumption of charge of the post or until further orders, whichever is earlier For more than 25 years, Kalaiselvi has been conducting research on electrochemical power systems, with a particular emphas
09 August, 2022 ELECTROMAGNETIC FIELD EMISSION The Minister of State for Communications recently claimed that India's high levels of electromagnetic fields have no effect on the environment in a written response to a Rajya Sabha inquiry. What are Electromagnetic Field (EMF) Emissions? Invisible magnetic and electric fields of force combine to form electromagnetic fields. Differential voltages produce electric fields; the stronger the voltage, the stronger the resulting field. Electric c
10 August, 2022 Carbon Dating Method The District Court in Varanasi allowed a petition seeking Carbon Dating of the structure inside the Gyanvapi mosque that the Hindu side has claimed is a ‘Shivling’. What is Carbon dating? It is a widely-used method applied to establish the age of organic material, things that were once living. Living things have carbon in them in various forms. The dating method makes use of the fact that a particular isotope of carbon called C-14, with an a
26 September, 2022 Partial Solar Eclipse On October 25, various portions of India witnessed a partial solar eclipse for the first time in more than ten years. It also marks the last solar eclipse of the year. A solar eclipse is what? A solar eclipse occurs when the Moon moves in front of the Sun, blocking some of the Sun's light from reaching Earth. An eclipse never occurs on its own. A solar eclipse often occurs two weeks either before or after a lunar eclipse. Recent partial solar e
25 October, 2022 Rare Earth Elements The Confederation of Indian Industry (CII) has urged the government to encourage private mining in the sector and diversify supply sources in light of India's reliance on China for rare earth minerals imports. Despite having 6% of the world's rare earth reserves, India produces only 1% of global output and imports the majority of its rare earth minerals from China. In 2018-19, for example, China accounted for 92% of rare earth metal imports by value and 97%
06 December, 2022 Deepfake technology The sophistication of audio, video, and image editing techniques has rapidly increased as a result of recent developments in artificial intelligence (AI) and cloud computing technology. The country's online overseer, the Cyberspace Administration of China, is implementing new rules to limit the use of deep synthesis technology and stop the deception. About deepfake: A person in an already-existing video or photograph is replaced with another person in a
24 December, 2022 Caesium-137 A previously lost eight-millimeter capsule was recently found in Western Australia. It contains radioactive Caesium-137 that was released after the nuclear tragedies at Chernobyl and Fukushima. Important things about Caesium Caesium is a silvery-white, soft, malleable metal that forms bonds with chlorides to produce a crystalline powder with no difficulty. The only stable form of cesium that exists naturally in the environment is 133Cs (read as cesi
07 February, 2023 Underwater Noise Emissions The Marine Environment is in danger due to the increasing Underwater Noise Emissions (UNE) from ships in Indian waters, according to a News Research titled "Measuring Underwater Noise Levels Radiated by Ships in Indian Waters." By deploying a hydrophone autonomous system around 30 nautical miles off the Goa coastline, the ambient noise levels were measured. Key Findings of the Study: The sound pressure levels of the Underwater Noise Emissio
22 February, 2023 The precise magnetic moment of an electron By accurately measuring the magnetic moment of the electron, physicists recently created history in the field of metrology. It is notable because it offers the Standard Model of particle physics' most accurate test to date. According to the article, the measurement was 0.13 parts per trillion (ppt), which is 2.2 times more precise than the previous best record from 14 years ago. What is the Standard Model? The Standard Mod
28 February, 2023 Daylight Savings Time In Context Of The beginning of Daylight Saving Time (DST) was recently postponed by the Government of Lebanon by one month. Greenland has opted to continue using DST indefinitely, meanwhile. On the final Sunday in March, Lebanon normally springs forward an hour. The clocks will be changed this year on April 21 without providing a reason, the Country's Prime Minister announced. How Does Daylight Saving Time work? The practise of moving the clocks on
31 March, 2023 The strength of the gravitational force depends on the gravitational constant.Any mass warps the fabric of space-time around itself and more the mass, the more the warping. Gravity – It is the force that an object feels when travelling along the warped path which tends to move the object towards the mass. Gravitational constant – It is denoted by a ‘G’, a fundamental physical constant. Gravitation constant was 1st accurately determined by Henry
05 November, 2023 Electric battery, as a portable sources of electric power are at the foundation of convenience and sustainability. Electric cell – A device that converts chemical energy into electrical energy. Components of Electric Cell Electrode – It is a metal plates in the cell where cathode is the positively charged electrode, the one to which electrons arrive, while anode is the negatively charged e
15 November, 2023 Langlands program, the world’s biggest Math project provides a beautifully intricate set of connections between various areas of mathematics, pointing the way toward novel solutions for old problems. It is a mathematical exercise to find connections between two far-flung areas of mathematics - number theory and harmonic analysis. Launch year – 1967 Number theory – It is the arithmetic study of numbers and the relationships between them. A famous e
22 November, 2023 9th edition of the annual event, India International Science Festival (IISF) will be held at Faridabad, Haryana in January 2024. Theme - Science and Technology Public Outreach in Amrit Kaal. Aim - To provide a platform to engage the public with science and celebrate how science, technology, engineering, and mathematics (STEM) can improve lives. It is a collaborative effort of the Ministry of Science and Technology and Ministry of Earth Sciences in association with Vijn
11 November, 2023 A high-level committee has been formed to improve Sophisticated Analytical Instrument Facilities (SAIF) programme, intending to include more SATHIs. SATHIs - Launched by - Department of Science & Technology (Ministry of Science and Technology) Aim - To provide professionally managed services with efficiency, accessibility and transparency under one roof to meet the demands of industry, start-ups and academia.
22 November, 2023 Reports indicate Reliance Jio, India’s largest mobile carrier, has been testing VoNR behind the scenes whose aim is to improve voice quality in calls. It is also known as Voice over New Radio (VoNR).VoNR is the IMS based voice calling services that use the 5G network for its source of Internet Protocol (IP) voice processing instead of the current standard that uses 4G. IMS (IP Multimedia Subsystem) is a standards-based architectural framework for delivering multimedia commu
03 December, 2023 The United States' plans to build new nuclear gravity bomb will be designated as B61-13. Gravity bombs work by being pulled to the ground by the force of gravity instead of flying to the target on a powered missile. In this case, a bomber or an aircraft flies over the target and drops the bomb. These bombs do not consist of a guidance system and, hence, follow a ballistic trajectory. B61 – 13 - According to reports, the new bomb is estimated to be 360 kilotons, which i
06 December, 2023 The PC-7 is a low-wing, turbo-prop aircraft on which IAF pilots undergo basic training. It was developed from the piston-powered Pilatus P-3 aircraft and is manufactured by Pilatus Aircraft Ltd, Switzerland. The maximum operating speed of the aircraft is 556 km per hour, while the maximum range of the aircraft is 1,500 km. There are 75 Pilatus PC-7 Mk II aircraft in service with the IAF.
06 December, 2023 High-energy ‘sun goddess’ particle ‘from nowhere’ collides into Earth. Amaterasu It is one of the most powerful cosmic rays slamming into Earth and has been named Amaterasu after the Japanese sun goddess. These ultra-high energy particle passes atmosphere smoothly without any deflection by magnetic fields. Spotted by - Telescope Array observatory in Utah, a collaboration of the United States, Japan, Korea, Russia, and Belgium to observe cosmic rays. En
21 December, 2023 Between 2007 and 2013, capacitive touchscreens overtook resistive touchscreens in the consumer electronics market. Invention – The 1st touch screen was invented in 1965 by E.A. Johnson of U.K, a capacitive device. Function – It is a surface that combines 2 functions To receive inputs for a computer (say, tapping on an app) To display the output (launching the app). Working – It consists of
23 December, 2023 “SAMUDRA” (Smart Access to Marine Users for ocean Data Resources and Advisories) is a mobile app that provides comprehensive information on all ocean-related services. The app is useful for seafarers and the fishing community. The app was launched by the Indian National Centre for Ocean Information Services (INCOIS). INCOIS is an autonomous body under the Ministry of Earth Sciences located in Hyderabad.
15 December, 2023 Professor Savita Ladage received the Royal Society of Chemistry’s Nyholm Prize recently. It is an annual award from the Royal Society of Chemistry that recognizes achievements in chemical sciences education. The prize honors the life and work of Sir Ronald Nyholm, an Australian-born chemist who served as president of the Royal Society of Chemistry from 1968 to 1970. The prize alternates between being open to international nominations and being open only to nominations
18 December, 2023 The 4th unit of the Kakrapar Atomic Power Project (KAPP-4) started controlled fission chain reaction and thus became critical recently. It is a nuclear power plant situated in Gujarat. It is the 2nd of 16 indigenous Pressurised Heavy Water Reactors (PHWR) of 700 MW. It is operated by the Nuclear Power Corporation of India Limited (NPCIL).
22 December, 2023 Between 2007 and 2013, capacitive touchscreens overtook resistive touchscreens in the consumer electronics market. Invention – The 1st touch screen was invented in 1965 by E.A. Johnson of U.K, a capacitive device. Function – It is a surface that combines 2 functions To receive inputs for a computer (say, tapping on an app) To display the output (launching the app). Working – It consists of
27 December, 2023 Synthesis gas (syngas) is a combustible mixture of hydrogen and carbon monoxide, often containing carbon dioxide and methane. It's primarily used to produce methanol or ammonia, and can also be used as a fuel. Syngas is derived from carbon-containing feedstocks like biomass, natural gas, heavy oil, and coal.
29 December, 2023 JN.1 subvariant has a mutation in its spike protein, L455S, also called a “FLip” mutation. L455S and L455F are called “FLip” mutations because they switch the positions of amino acids F and L on the spike protein, increasing their transmissibility. This type of mutation is performed we use binary crossover.
29 December, 2023 Ground frost is a covering of ice that forms on objects, trees, or the ground when their surfaces are below the freezing point of water. It can also refer to a temperature that drops below freezing at or near ground level and damages vegetation. Ground frost can occur when the ground cools faster than the air. It can also occur when water vapor directly deposits on objects and trees with surfaces colder than 0°C.
30 December, 2023 Prime Minister dedicated to the nation, indigenously developed Demonstration Fast Reactor Fuel Reprocessing Plant (DFRP) at the Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam, Tamil Nadu. The plant - It is a pilot for the bigger facility that would come up to reprocess the fuel that would come out of the two more 500 MW Prototype Fast Breeder Reactors (PFBR) that would come up later. A fast breeder reactor is one, which breeds more material for a nuclear fission reac
02 January, 2024 A leap year has 366 days in a year as opposed to the regular 365 days. The extra day is added to February, the shortest month of the year, as February 29.
03 January, 2024 PM Inaugurates Kochi-Lakshadweep Islands Submarine Optical Fiber Connection and dedicates Low Temperature Thermal Desalination (LTTD) plant at Kadmat recently Kochi-Lakshadweep Islands Submarine Optical Fiber connection will lead to faster Internet for the people of Lakshadweep. The project is funded by Universal Services Obligation Fund (USOF), Department of Telecommunications. Low Temperature Thermal Desalination (LTTD) is a desalination technique that uses low-grade
09 January, 2024 The Central Council for Research in Ayurvedic Sciences (CCRAS) along with National Commission for Indian System of Medicine (NCISM) has launched 'SMART 2.0' recently. The program aims to promote robust clinical studies in priority areas of Ayurveda with Ayurveda academic institutions/hospitals across the country through mutual collaboration.
09 January, 2024 A Fog Pass Device is a GPS-based navigation device that helps train loco pilot navigate through dense fog. It provides on-board real-time information (Display as well as voice guidance) to Loco Pilots. It gives information regarding location of fixed landmarks such as Signal, Level Crossing gate (Manned & Unmanned), Permanent Speed Restrictions, Neutral Sections etc.
10 January, 2024 Starlink is a satellite internet network operated by SpaceX, an American aerospace company. It provides coverage to over 70 countries and aims to provide high-speed internet coverage to every part of the world. It also aims to provide global mobile phone service after 2023.
11 January, 2024 North India’s 1st industrial biotech park inaugurated in Jammu and Kashmir’s Kathua recently. Biotech Parks offer facilities to scientists and small and medium-sized enterprises (SMEs) for technology incubation, demonstration, and pilot plant studies. The parks are established to facilitate product advancement and innovation through the development of biotechnology industrial clusters.
13 January, 2024 The Union Cabinet Chaired by the Prime Minister of India has approved the overarching scheme ‘PRITHvi Vigyan’ (PRITHVI). Implemented by – Ministry of Earth Sciences (MoES). The research & development and operational (services) activities of MoES are carried out by 10 Institutes of MoES. Timeline – 2021-26, at an overall cost of Rs. 4,797 crore. It encompasses 5 ongoing sub-schemes namely ACROSS – A
09 January, 2024 India had decided to formally join the Square Kilometre Array (SKA) project, an international scientific collaboration working to build the world’s largest radio telescope. What is SKA? SKA – It will be the world's biggest and most advanced radio telescope ever constructed. It will not be a single large telescope, but a collection of thousands of dish antennas operating as a single unit. SKA Observatory Convention – The interna
15 January, 2024 Lidar, which stands for Light Detection and Ranging, is a remote sensing method that uses light in the form of a pulsed laser to measure ranges (variable distances) to the Earth. These light pulses—combined with other data recorded by the airborne system — generate precise, three-dimensional information about the shape of the Earth and its surface characteristics. A lidar instrument principally consists of a laser, a scanner, and a specialized GP
19 January, 2024 Recently, an official delegation from the Department of Science and Technology visited Mauna Kea to discuss “challenges” to the Thirty Meter Telescope (TMT) project. Thirty Meter Telescope (TMT) It has been conceived as a 30-metre diameter primary-mirror optical and infrared telescope that will enable observations into deep space. It is proposed as a joint collaboration involving institutions in the U.S., Japan, China, Canada, and India. It will b
19 January, 2024 Light-emitting diodes (LEDs) succeed the incandescent bulbs and fluorescent lamps of previous centuries as the world’s light-source of choice. About Light-Emitting Diodes A diode is an electronic component which has two points of contact, or terminals, called its anode and cathode. A diode’s primary purpose is to allow current to flow in only one direction. An LED is a semiconductor device which emits light when electric current flows through it. It
24 January, 2024 Indian Meteorological Department (IMD) has been issuing alerts with maps from various weather monitoring satellites. Day and Night Microphysics RGB Imager It is image created by combination of Red, Green and Blue colours. Aim – To study various atmospheric characteristics. Radiometer – A device that measures the properties of radiation by studying the radiation’s interaction with matter. Atmospheric s
29 January, 2024 Steps taken by India to promote Science Communication Publications and Information Directorate (PID) - An organisation under Council of Science and Industrial Research (CSIR) established in 1951 for publishing and disseminating scientific information in India. National science magazines- The PID published magazines to popularize science among masses. Vigyan Pragati- In Hindi launched in 1952. Science Reporter- In English la
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06 Feb,2024
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