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Optical Computing and AI with Light

Why in the News? Finnish researchers showed that nonlinear optical fibres can perform AI tasks efficiently, advancing optical computing. About Optical Computing: Overview: A computer that uses light (photons) instead of electricity (electrons) to process data. Why Important: Light is faster, makes less heat, and carries more data at once. Technology Used: Runs through optical… Continue reading Optical Computing and AI with Light

Super Typhoon Ragasa

Why in the News? China is planning to evacuate 4 lakh people ahead of the landfall of Super Typhoon Ragasa. About Typhoon & Super Typhoon: Typhoon: A tropical cyclone forming in the Western Pacific Ocean and China Sea, usually above sea temperatures of 27°C. Formation: Warm, moist air rises and creates a low-pressure system with… Continue reading Super Typhoon Ragasa

[22nd September 2025] The Hindu Op-ed: Uranium unrest: On uranium mining in Meghalaya

PYQ Relevance [UPSC 2018] Policy contradictions among various competing sectors and stakeholders have resulted in inadequate ‘protection and prevention of degradation’ to the environment. Comment with relevant illustration Linkage: The uranium mining push in Meghalaya illustrates a clear policy contradiction, India’s strategic and energy security imperatives versus constitutional safeguards for Scheduled/Tribal Areas and environmental sustainability.… Continue reading [22nd September 2025] The Hindu Op-ed: Uranium unrest: On uranium mining in Meghalaya

U.K, Australia and Canada recognise Palestine state in seismic shift

Introduction On September 22, 2025, Britain, Australia, and Canada formally recognised Palestine as a sovereign state, a step that Portugal and potentially France are expected to follow at the UN General Assembly. This unprecedented shift, especially by G-7 members like the U.K. and Canada, alters decades of Western foreign policy and signals mounting pressure on… Continue reading U.K, Australia and Canada recognise Palestine state in seismic shift

Why low inflation is the problem

Introduction Inflation in India has sharply declined in recent months, with CPI inflation at 2.27% (Aug 2024) and WPI inflation at just 0.52%. While households welcome subdued prices, this development has unsettled the government’s fiscal math. Nominal GDP growth, which forms the base for budget projections, has weakened. As a result, targets for revenue, deficit,… Continue reading Why low inflation is the problem

Centre to simplify Quality Control Order (QCO) framework

Why in the News? A NITI Aayog panel has proposed easing India’s Quality Control Orders (QCOs) by simplifying certification, assessments, and inspections to support MSMEs amid domestic and global criticism. About Quality Control Orders (QCOs): Overview: Issued under the Bureau of Indian Standards (BIS) Act, 2016, QCOs make Indian Standards compulsory for specific products in… Continue reading Centre to simplify Quality Control Order (QCO) framework

Extreme Nuclear Transients (ENTs) and the Big Bang

Why in the News? New research by the University of Hawaii has discovered Extreme Nuclear Transients (ENTs), the most powerful explosions since the Big Bang, surpassing even gamma-ray bursts (GRBs) in energy output. Back2Basics: Big Bang Proponent: In 1927 by Georges LemaĂŽtre. Timeline: Universe originated ~13.7–13.8 billion years ago from a singularity. Phases: Began with… Continue reading Extreme Nuclear Transients (ENTs) and the Big Bang

How different are Supercomputers to normal computers?

Why in the News? This newscard is an excerpt from the original article published in The Hindu. What is a Supercomputer? Overview: A high-performance computing system capable of trillions to quintillions of calculations per second. Parallel Computing: Uses thousands of processors working together instead of relying on a single fast processor. Applications: Climate modelling, nuclear… Continue reading How different are Supercomputers to normal computers?

Is it feasible to blend Isobutanol and Diesel? 

Why in the News? The Union Transport Minister has announced that the Automotive Research Association of India (ARAI) is studying the feasibility of blending Isobutanol with Diesel after ethanol–diesel blending attempts failed. About Isobutanol: What is it: A four-carbon alcohol (C₄H₁₀O), clear, flammable, and traditionally used as a solvent in paints, coatings, and chemical industries.… Continue reading Is it feasible to blend Isobutanol and Diesel? 

‘Smog-eating’ photocatalytic coatings on roads to curb pollution

Why in the News? Delhi government has announced a feasibility study to test photocatalytic coatings on roads, pavements, and public spaces to bring visible improvements in air quality. About Smog: Overview: Combination of smoke and fog, forming smoky fog with soot, gases, and moisture. Components: Includes soot particulates, sulphur dioxide (SO₂), nitrogen dioxide (NO₂), hydrocarbons,… Continue reading ‘Smog-eating’ photocatalytic coatings on roads to curb pollution

[2025 GS1 UPSC MAINS] What are non-farm primary activities? How are these activities related to physiographic features in India? Discuss with suitable examples. (10 Marks)

Smash 2025 FLT 11Q5. Evaluate the impact of PM Matsya Sampada Yojana in transforming India’s fisheries sector. What more needs to be done to ensure sustainability and inclusiveness? Smash 2025 Adv Test 07 Q10. Despite being the largest milk producer, India faces a growing demand-supply gap in the dairy sector. Identify the reasons behind this… Continue reading [2025 GS1 UPSC MAINS] What are non-farm primary activities? How are these activities related to physiographic features in India? Discuss with suitable examples. (10 Marks)

[20th September 2025] The Hindu Op-ed: The Saudi-Pakistan pact is a dodgy insurance policy

PYQ Relevance: [UPSC 2018] In what ways would the ongoing US–Iran Nuclear Pact controversy affect the national interest of India? How should India respond to this situation? Linkage: The Saudi–Pakistan SMDA, like the earlier US–Iran Nuclear Pact controversy, reshapes West Asian alignments and directly impacts India’s energy security, diaspora safety, and regional stability. Just as… Continue reading [20th September 2025] The Hindu Op-ed: The Saudi-Pakistan pact is a dodgy insurance policy

Turmoil, tragedy, and tenacity in Nepal

Introduction In early September 2025, Nepal was rocked by its most intense youth uprising since the end of monarchy in 2008. Peaceful demonstrations against corruption and inequality, largely organised online, escalated into violent clashes, leaving 73 dead and vital government institutions in flames. The resignation of Oli and the appointment of Sushila Karki as interim… Continue reading Turmoil, tragedy, and tenacity in Nepal

Gaganyaan Analog Experiments (Gyanex)

Why in the News? Gyanex (Gaganyaan Analog Experiments) ground-based astronaut simulations are being conducted by ISRO with ICMR and Institute of Aerospace Medicine, Bengaluru, to prepare Indian astronauts for the 2027 Gaganyaan mission. What are Gaganyaan Analog Experiments (Gyanex)? Purpose: India’s first systematic programme in space medicine and astronaut psychology, preparing protocols for Gaganyaan and… Continue reading Gaganyaan Analog Experiments (Gyanex)

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