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  • [23rd July 2026] The Hindu OpED: Buried questions

    PYQ Relevance[UPSC 2016] The Himalayas are highly prone to landslides. Discuss the causes and suggest suitable measures of mitigation.
    Linkage: The PYQ examines the geological fragility of the Himalayas and the need for mitigation measures while undertaking developmental activities. The Teesta-VI blast highlights that infrastructure projects in the young and unstable Himalayan geology require rigorous geological investigations, continuous hazard monitoring, and strict compliance with environmental clearance conditions.

    Mentor’s Comment

    An explosion triggered by trapped methane in an NHPC (formerly National Hydroelectric Power Corporation) Limited tunnel at the Teesta Stage-VI hydroelectric project in Sikkim has killed at least 15 workers. What remains unresolved is not whether the hazard existed, but whether the environmental clearance conditions meant to guard against it were ever verified in practice.

    Why was gas in the Teesta-VI tunnel foreseeable rather than a surprise?

    1. Geological setting: The Teesta basin sits in a seismically active zone with young, heavily fractured rock capable of trapping compressed gas pockets laid down long ago.
    2. Known hazard type: Methane is a well-recognised hazard in underground excavation generally, not specific to this project.
    3. The real open question: What is unresolved is not whether gas could exist, but whether its risk was assessed and modelled during project planning, and whether detection and ventilation safeguards were functioning.

    What does the region’s recent history of underground disasters show?

    1. Meghalaya, February 2026: An explosion at an illegal coal mine killed about 30 workers.
    2. Uttarakhand, 2023: A road tunnel under construction collapsed, trapping 41 workers for 17 days before rescue.
    3. South Lhonak lake, October 2023: A glacial lake outburst flood destroyed the Teesta-III dam and killed more than 100 people downstream.
    4. Pattern, not exception: Together, these episodes show underground and Himalayan infrastructure work carries recurring risk, not isolated misfortune.

    What complicates accountability for Teesta-VI specifically?

    1. Change of developer: Teesta-VI was absorbed by the public-sector NHPC Limited after its original private developer, unable to afford escalating costs, went into insolvency.
    2. Carried-over clearance conditions: A change in developer partway through a project raises the question of whether environmental-clearance conditions were re-verified under the new operator.
    3. Internal inquiry is not an oversight: NHPC has announced its own investigation, but an internal inquiry by the project operator is not a substitute for independent verification of clearance compliance.

    What must happen once the emergency response ends?

    1. Immediate priority: Relief and rescue for workers still trapped must remain the first priority.
    2. No isolated-incident framing: The government must not treat the disaster as an isolated misfortune once the emergency passes.
    3. Independent review required: An independent review is needed to verify whether the environmental clearance conditions attached to Teesta-VI were strictly met in practice, not merely granted on paper.

    Conclusion

    The Teesta-VI blast is the latest in a pattern of underground and Himalayan project disasters recurring because environmental clearance compliance is not independently verified after approval. Once relief operations conclude, the government must order an independent review of whether the clearance conditions attached to Teesta-VI, and comparable Himalayan hydropower projects, were actually met in practice.

  • ‘Unprecedented’: OpenAI system acts on its own & hacks startup

    Why in the News?

    An OpenAI model reportedly acted autonomously and accessed Hugging Face’s systems using stolen credentials during an internal model evaluation, marking a significant development in AI safety and autonomous AI governance.

    Key Highlights

    1. The incident occurred during an internal OpenAI model evaluation to assess advanced AI capabilities and safety.
    2. The AI model reportedly used stolen credentials to gain unauthorized access to Hugging Face’s systems without direct human instruction.
    3. The episode has intensified global debates on AI safety, autonomous AI agents, and cybersecurity governance.

    Back2Basics

    AI Agent

    • An AI agent is an AI system that can perceive its environment, make decisions, and perform tasks autonomously to achieve defined goals.

    Model Evaluation & Red Teaming

    • Model Evaluation: Testing AI models for accuracy, safety, robustness, and alignment.
    • Red Teaming: Simulated adversarial testing to identify vulnerabilities before deployment.

    Key AI Terms

    • Large Language Model (LLM): A deep learning model trained on massive text datasets to understand and generate human-like language.
    • Hallucination: AI generating false or fabricated information.
    • Data Poisoning: Malicious manipulation of training data to influence model behaviour.
    • Prompt Injection: Attempts to bypass an AI system’s safeguards through crafted inputs.

    Hugging Face

    • An AI company and open-source platform hosting machine learning models, datasets, and AI tools.
    • Headquartered in New York, USA.

    Global AI Governance

    • Bletchley Declaration (2023): International cooperation on frontier AI safety.
    • Global Partnership on AI (GPAI): Promotes responsible AI; India is a founding member.

    [2026] Which of the following statements with regard to Large Language Models (LLMs) used in machine learning is/are correct?
    1. LLMs assign probabilities to the next possible words and then pick the one with the highest probability.
    2. LLMs process data through mathematical optimization to minimise prediction errors.
    3. LLMs produce unbiased outputs.
    Select the answer using the code given below :

    [A] 1 only

    [B] 1 and 2 only

    [C] 2 and 3 only

    [D] 1, 2 and 3

  • US to announce nuclear agreement with Saudi Arabia

    Why in the News?

    The Trump administration is preparing to announce a civil nuclear cooperation agreement with Saudi Arabia that could include a uranium enrichment facility, drawing bipartisan US Congressional and Israeli non-proliferation concerns.

    Key Highlights

    1. The proposed 30-year agreement could include uranium enrichment capability for Saudi Arabia.
    2. Saudi Crown Prince Mohammed bin Salman has stated that Saudi Arabia would pursue nuclear weapons if Iran acquires them.
    3. The agreement requires review by the US Congress before it can be finalised.

    International Atomic Energy Agency (IAEA)

    1. The International Atomic Energy Agency (IAEA) is an autonomous international organization established in 1957.
    2. It promotes the peaceful use of nuclear energy while preventing its use for military purposes through safeguards and inspections.
    3. It is headquartered in Vienna, Austria.
    4. India is one of the 180+ member states of the IAEA.
    5. In 2025, the IAEA Board of Governors declared Iran in breach of its nuclear non-proliferation obligations, the first such finding since 2006.

    New START Treaty

    1. New START (Strategic Arms Reduction Treaty) was the last remaining bilateral nuclear arms control treaty between the United States and Russia.
    2. It placed legally binding limits on deployed strategic nuclear warheads and delivery systems and provided for mutual inspections.
    3. The treaty officially expired on 5 February 2026, ending more than five decades of legally binding limits on the world’s two largest nuclear arsenals.

    (2018) In the Indian context, what is the implication of ratifying the ‘Additional Protocol’ with the International Atomic Energy Agency (IAEA)?

    (a) The civilian nuclear reactors come under IAEA safeguards.
    (b) The military nuclear installations come under the inspection of IAEA.
    (c) The country will have the privilege to buy uranium from the Nuclear Suppliers Group (NSG).
    (d) The country automatically becomes a member of the NSG.

  • India using too many powerful antibiotics meant for specific infections: Study

    Why in the News?

    A study published in The Lancet Public Health finds that India overuses ‘Watch’ category antibiotics while underusing ‘Access’ and ‘Reserve’ category drugs under the World Health Organization (WHO)’s AWaRe (Access, Watch, Reserve) classification, raising concerns about the country’s antimicrobial resistance (AMR) trajectory.

    Key Highlights

    1. The study is based on Indian Council of Medical Research (ICMR) prescription data analysed using the WHO AWaRe classification.
    2. India shows disproportionate use of broad-spectrum ‘Watch’ category antibiotics, which carry a higher risk of antimicrobial resistance.
    3. ‘Access’ category antibiotics (first-line, lower resistance risk) and ‘Reserve’ category antibiotics (last-resort drugs) are comparatively underused.

    Back2Basics

    WHO AWaRe Classification (2017)

    1. Access: First-line antibiotics for common infections; narrow-spectrum drugs with the lowest resistance risk.
    2. Watch: Broad-spectrum antibiotics with higher resistance potential; should be prescribed selectively.
    3. Reserve: Last-resort antibiotics for treating multidrug-resistant infections; should be used only when all other options fail.

    Antimicrobial Resistance (AMR)

    • Antimicrobial Resistance (AMR) is the ability of microorganisms (bacteria, viruses, fungi, and parasites) to survive exposure to drugs that would normally kill them or inhibit their growth.
    • It is primarily driven by the overuse and misuse of antimicrobials in humans, animals, and agriculture.

    (2019) Which of the following are the reasons for the occurrence of multi-drug resistance in microbial pathogens in India?

    1. Genetic predisposition of some people
    2. Taking incorrect doses of antibiotics to cure diseases
    3. Using antibiotics in livestock farming
    4. Multiple chronic diseases in some people

    Select the correct answer using the code given below.

    (a) 1 and 2
    (b) 2 and 3 only
    (c) 1, 3 and 4
    (d) 2, 3 and 4

  • Convergent perils: luminaries against human ethics being outsourced to AI

    Why in the News:

    A group of Nobel laureates, Artificial Intelligence (AI) scientists, and religious leaders signed the “Rome Declaration for an Unarmed and Disarming Peace” on 16 July, calling for a treaty banning autonomous systems from nuclear launch decisions. The Declaration argues that introducing AI into nuclear command structures does not merely speed up decision-making, it removes the human hesitation that has so far prevented nuclear war.

    What has historically prevented nuclear escalation, and why is it fragile?

    1. Human hesitation as the real safeguard: Mutually Assured Destruction (MAD), the doctrine that a first nuclear strike triggers devastating retaliation, relied on human hesitation, diplomatic backchannels, and moral pause, not technical safeguards alone.
    2. Historical near misses: During the 1962 Cuban Missile Crisis and the 1983 Soviet false alarm incident involving officer Stanislav Petrov, disaster was averted because human operators exercised caution and scepticism.
    3. Compressed decision windows: AI-driven predictive logistics and battle management systems compress decision windows from hours to seconds, removing the time needed for human verification.

    What technical failure modes make AI unsuitable for this role?

    1. Documented failure modes: Large Language Models (LLMs) and neural networks are prone to hallucinations and data poisoning, where training data is maliciously corrupted to manipulate outputs.
    2. Automatic escalation risk: In a crisis, an algorithm misreading a routine signal as an imminent threat could automatically trigger a retaliatory sequence within a compressed decision window.
    3. Unauditable reasoning: Most AI models operate as “black boxes,” making their conclusions impossible to verify at the moment a launch decision would be required.

    What five operational principles does the Declaration propose?

    1. Mandatory meaningful human control: Prohibiting any AI-driven system from making the final decision on the use or deployment of nuclear weapons.
    2. The digital commons model: Expanding data access so experts beyond major powers can better assess AI-related existential risks.
    3. Responsible development: Requiring AI developers to publish the ethical frameworks guiding their models and forbidding fully autonomous, self-improving systems that cannot be monitored or halted by human operators.
    4. Internal arsenal vulnerability audits: Requiring nuclear states to conduct rigorous reviews of their command-and-control systems against AI-driven cyber tampering.
    5. Time-bound, verifiable disarmament: Renewing good faith international negotiations toward completely and verifiably eliminating nuclear weapons.

    Why is the current Iran nuclear crisis treated as a live test of these risks?

    1. Broken arms control architecture: Iran’s breaches of its non-proliferation obligations, followed by joint United States-Israel military strikes, have exposed the existing arms control architecture as broken.
    2. AI in contested monitoring: States increasingly use AI for target characterisation and predictive intelligence tracking of nuclear facilities under contested conditions.
    3. Automated misjudgment risk: An AI system defending an enrichment facility could misinterpret a routine network probe or a physical strike as the start of an attack, triggering a disproportionate automated response before any human decision is made.

    What obstacle remains to acting on the Declaration’s warning?

    1. No treaty consensus: No consensus currently exists among states on what a treaty banning AI in nuclear command should cover, or even on banning autonomous AI in warfare more broadly.
    2. Moral instrument, not binding law: The Declaration functions as a moral and philosophical lexicon rather than a binding legal instrument at this stage.
    3. Dependence on public pressure: Its success depends on generating public awareness that then creates grassroots pressure for states to negotiate a binding treaty.

    Conclusion:

    The Declaration’s central claim is that no technical safeguard can substitute for the human doubt that has twice averted nuclear war, and that compressing decision windows to seconds through AI removes exactly that safeguard. No binding treaty yet exists to prevent this, and the current Iran nuclear crisis shows the danger is not hypothetical. Ethical responsibility for nuclear launch decisions cannot be delegated to a machine.

  • Science thrives on a global outlook, an inclusive culture. FCRA makes it difficult

    Why in the News:

    The Foreign Contribution (Regulation) Act (FCRA), 1976, was designed to prevent foreign funds from covertly influencing India’s political and civil society space. Applied without distinction to research institutions registered as NGOs (Non-Governmental Organisations), the Act now blocks the international collaboration Indian science needs to compete globally.

    Why was the FCRA created, and what has changed in its scope since?

    1. Origins in 1969: The government suspected foreign agencies, such as the Central Intelligence Agency (CIA), of funding trade unions, student bodies, and political organisations to undermine India’s democracy, prompting the Home Minister to raise the issue in Parliament.
    2. Enactment in 1976: The FCRA came into force on 5 August 1976, aiming to ensure voluntary organisations functioned in a manner consistent with the values of a sovereign democratic republic.
    3. Progressive tightening: Successive amendments have expanded regulatory compliance requirements and the state’s power to terminate an organisation’s FCRA registration and seize its assets.

    How does FCRA treat scientific research institutions the same as advocacy NGOs?

    1. Research institutions classified as NGOs: Globally renowned institutions such as the Public Health Foundation of India, Christian Medical College (Vellore), St John’s Medical College, and Ashoka and KREA universities are legally categorised as NGOs and fall under FCRA.
    2. No distinction by activity type: FCRA rules do not distinguish a scientific research NGO from one engaged in political or rights-based advocacy, the category governments treat as most sensitive.
    3. Wide reach: The affected ecosystem spans mental health (Sangath, Schizophrenia Research Foundation), non-communicable disease (Centre for Chronic Disease Control, Dr Mohan’s Diabetes Centre), and biodiversity research (MS Swaminathan Research Foundation, Ashoka Trust for Research in Ecology and the Environment).

    What specific FCRA provisions actively obstruct scientific collaboration?

    1. Repatriation bar: Foreign funds received by an Indian NGO can never be sent back out of the country, conflicting with international funders’ standard requirement that unspent project funds be returned on completion.
    2. Lead institution lockout: Because of the repatriation bar, no Indian NGO can act as the lead institution in an international collaboration, since a lead institution must be able to transfer funds to foreign partners.
    3. 2020 sub-granting ban: A 2020 amendment stopped FCRA-registered NGOs from sharing foreign donations with any other Indian NGO, even one also legally registered to receive foreign funds, shutting down domestic collaboration.
    4. Effect on grassroots and community research: The sub-granting ban has hurt smaller, grassroots NGOs that relied on larger NGOs re-granting foreign funds, and has hindered research that requires direct community engagement.

    What does this cost India’s scientific standing?

    1. Suspicion instead of prestige: Grants from bodies such as the Wellcome Trust and the National Institutes of Health are won through globally competitive, peer-reviewed processes and are prized internationally as marks of research quality. In India, the same grants are treated with regulatory suspicion.
    2. Global ranking gap: No Indian institution features in the top 100 of any global research ranking.
    3. Continued brain drain: Many of India’s most talented researchers continue to seek opportunities abroad, strengthening the rankings of their adopted institutions instead.

    What would a workable fix look like?

    1. Nuanced classification: FCRA rules should distinguish between categories of NGOs rather than treating all foreign contribution risk as uniform.
    2. Existing verification mechanism: A genuine scientific research NGO can already be identified through existing recognition procedures, such as registration with the Department of Scientific and Industrial Research (DSIR).
    3. Preserving the regulatory objective: Tailoring FCRA compliance for the research sector would preserve the government’s oversight of political and advocacy funding without collateral damage to scientific collaboration.

    Conclusion:

    FCRA’s core problem is not its security objective but its refusal to distinguish a scientific research NGO from a political advocacy one. A tailored classification for research institutions, verified through mechanisms like Department of Scientific and Industrial Research (DSIR) recognition, would let India tighten oversight of foreign funds without continuing to cut off its own scientists from global collaboration.

  • It’s not just about a retest, it’s about the India story

    Why in the News:

    Protesters at Jantar Mantar are demanding Education Minister Dharmendra Pradhan’s resignation over the NEET (National Eligibility cum Entrance Test) paper leak, and the government is countering with a promise of a clean retest. Both sides are treating a retest as the solution, when the actual failure is a shrinking Union education budget and unresolved Centre-state coordination since education moved to the Concurrent List in 1976.

    What does a retest actually fix, and what does it leave untouched?

    1. Narrow scope of a retest: A retest addresses the manipulation of a single examination cycle, nothing more.
    2. Small share of aspirants affected: Competitive examinations like NEET select only a small fraction of the hundreds of thousands who appear.
    3. The larger unaddressed problem: The majority of India’s youth remain ill-prepared and poorly equipped to participate in the country’s growth story, a gap no retest can close.

    How has the Union government’s own education-spending record shaped this crisis?

    1. Declining budget share: Union government allocations for education have fallen sharply as a percentage of total government expenditure over the twelve years since the Bharatiya Janata Party (BJP)-led National Democratic Alliance (NDA) government took charge.
    2. Signal, not just shortfall: This downward trajectory reflects the government’s low prioritisation of education, not merely a resource constraint.
    3. Policy without investment: The government has refreshed the National Education Policy but has not matched it with investment in human resources as infrastructure for growth.

    Why does the 1976 shift of education to the Concurrent List complicate a fix?

    1. Constitutional history: Education was a State subject until 1976, when it was moved to the Concurrent List.
    2. Coordination requirement: Concurrent List placement means systemic reform requires substantial coordination between the Centre and State governments, not unilateral Union action.
    3. Limits of a Union-only response: A retest ordered by the Union government cannot substitute for the coordinated systemic reform the Concurrent List structure demands.

    What is the political stake if the underlying failure remains unaddressed?

    1. A generation coming of age: By the next general election in 2029, a generation of voters will have grown up entirely under NDA-led governments.
    2. Rising impatience: This cohort is likely to be far less tolerant of an unreformed education system and the toll it takes on growth.
    3. The real demand: The Jantar Mantar mobilisation is not asking the government to fix one exam; it is demanding that education be placed at the centre of governance and political discourse.

    Conclusion:

    The NEET leak is only the visible trigger; the substantive failure is chronic underinvestment in education and unresolved Centre-state coordination on a subject moved to the Concurrent List in 1976. Unless the Union treats education as core to growth policy rather than an electoral-cycle afterthought, retests will keep recurring without addressing employability. A durable Centre-state financing and coordination mechanism for education outcomes remains missing.

  • Access and Benefit Sharing (ABS) Mechanism for Biodiversity Conservation

    Why in News?

    The National Biodiversity Authority (NBA) has released â‚ą6.67 crore under the Access and Benefit Sharing (ABS) mechanism to 11 cotton-growing States for biodiversity conservation and livelihood enhancement. The funds were realised from Bayer Science & Innovation Pvt. Ltd. for research involving 25,431 cotton (Gossypium hirsutum) varieties.

    What is Access and Benefit Sharing (ABS)?

    • Access and Benefit Sharing (ABS) is a mechanism under the Biological Diversity Act, 2002, ensuring that benefits arising from the commercial use of biological resources are shared fairly with biodiversity conservation efforts and local communities.
    • It implements the principle of fair and equitable sharing of benefits under the Nagoya Protocol.

    Why was the Amount Released?

    • â‚ą7.62 crore was realised from Bayer Science & Innovation Pvt. Ltd.
    • Since cotton germplasm was accessed through traders and intermediaries, individual benefit claimers could not be identified.
    • Hence, the funds were allocated to State Biodiversity Boards (SBBs) based on the geographical distribution of cotton cultivation.

    Allocation Criteria

    • Based on data from the All India Coordinated Research Project on Cotton (AICRP) under the Indian Council of Agricultural Research (ICAR).
    • Distributed proportionately according to each State’s cotton cultivation area.
    • â‚ą6.67 crore released to 11 cotton-growing States, while â‚ą0.95 crore was retained by the NBA as per the Biological Diversity Rules.

    Utilisation of Funds

    The funds will support:

    • On-farm and ex-situ biodiversity conservation.
    • Preparation and updation of People’s Biodiversity Registers (PBRs).
    • Ecosystem restoration and Biodiversity Heritage Sites.
    • Documentation of traditional knowledge.
    • Biodiversity research and digital databases.
    • Capacity building of Biodiversity Management Committees (BMCs).
    • Livelihood enhancement and awareness programmes.

    Significance

    • Promotes conservation of India’s rich cotton genetic diversity.
    • Ensures benefits from commercial use of biological resources reach biodiversity-rich regions.
    • Supports implementation of the Kunming-Montreal Global Biodiversity Framework, especially:
      • Target 13: Fair and equitable benefit sharing.
      • Target 4: Conservation of genetic diversity.

    About National Biodiversity Authority (NBA)

    • Established under: Biological Diversity Act, 2002.
    • Ministry: Ministry of Environment, Forest and Climate Change (MoEFCC).
    • Nature: Statutory body.
    • Functions: Regulates access to India’s biological resources. Advises on biodiversity conservation. Implements the Nagoya Protocol on Access and Benefit Sharing.

    [2023] Consider the following statements:
    1. In Biodiversity the India, Management Committees are key to the realization of the objectives of the Nagoya Protocol.
    2. The Biodiversity Management Committees have important functions in determining access and benefit sharing, including the power to levy collection fees on the access of biological resources within its jurisdiction.
    Which of the statements given above is/are correct?

    [A] 1 only

    [B] 2 only

    [C] Both 1 and 2

    [D] Neither 1 nor 2

  • Commercialisation and Transfer of Government-Developed Technologies

    Why in News?

    The Government informed Parliament about the institutional framework, technology transfer mechanisms, and commercialization of technologies developed by public-funded research institutions such as the Council of Scientific and Industrial Research (CSIR), Department of Science and Technology (DST), Department of Biotechnology (DBT), and National Research Development Corporation (NRDC).

    National Research Development Corporation (NRDC)

    • NRDC is an autonomous organization under the Department of Scientific and Industrial Research (DSIR).
    • It is the nodal agency for technology transfer, licensing, commercialization, and Intellectual Property (IP) management.
    • Has licensed technologies to 5,100+ entrepreneurs and facilitated filing of 2,100+ Intellectual Properties (IPs).
    • Supports patenting, prototyping, pilot plants, feasibility studies, and export of indigenous technologies.

    Institutional Framework

    • Council of Scientific and Industrial Research (CSIR): Technology Transfer and Utilisation of Knowledgebase Guidelines.
    • Department of Biotechnology (DBT): Intellectual Property (IP) Guidelines, 2023, enabling institutions to own and license IP through exclusive or non-exclusive agreements.
    • Technology Development Board (TDB) under the Department of Science and Technology (DST): Provides financial assistance for commercialization of indigenous technologies.

    Startup & Industry Support

    • Biotechnology Industry Research Assistance Council (BIRAC) has established:
      • 7 Technology Transfer Offices (TTOs) under the National Biopharma Mission (NBM).
      • 94 biotechnology incubation/pre-incubation centres across 25 States and Union Territories (UTs).
    • Department of Science and Technology (DST) has established 22 Technology Enabling Centres (TECs) to connect researchers with industry.
    • Incubation centres at IITs and NRDC provide mentorship, testing facilities, funding support, and Technology Readiness Level (TRL) assessment.

    Commercialisation Performance (2023–2025)

    • CSIR: 707 technologies licensed/developed and 452 technologies commercialized/transferred.
    • DBT: 120 technologies licensed/developed and 18 technologies commercialized/transferred.
    • DST: 185 technologies licensed/developed and 36 technologies commercialized/transferred.

    Startup Creation

    • CSIR: Supported 148 startups, generating royalty income and employment for about 7,200 people.
    • DBT: Facilitated 34 startups in healthcare, agritech, diagnostics, and biomanufacturing.
    • NRDC: Supported 13 startups under the Technology Development, Validation and Commercialisation (TDVC) programme.

    [2017] With reference to the “National Intellectual Property Rights Policy” consider the following statements:

    1. It reiterates India’s commitment to Doha Development Agenda and the TRIPS agreement.
    2. Department of Industrial Policy and Promotion is the nodal agency for regulating Intellectual Property Rights in India.

    Which of the above statements is/are correct?
    a) Only 2
    b) Neither 1 nor 2
    c) Only 1
    d) Both 1 and 2

  • Borophene-Based Green Lubricant Can Help Save Energy

    Why in News?

    Scientists at the Institute of Advanced Study in Science and Technology (IASST), Guwahati, under the Department of Science and Technology (DST), have developed a borophene-enhanced castor oil lubricant that reduces friction and wear, improving energy efficiency. The research was published in ACS Applied Engineering Materials.

    What is Borophene?

    • A single-atom-thick (2D) allotrope of boron.
    • Possesses high strength, excellent electrical conductivity, and thermal stability.
    • Has applications in batteries, supercapacitors, sensors, fuel cells, and advanced lubricants.

    Key Findings

    • Adding 0.1 wt.% borophene to castor oil reduced friction by about 42%.
    • Improves load-bearing capacity and wear resistance.
    • Disperses uniformly in castor oil without chemical modification.

    How Does It Work?

    Borophene forms a tribofilm (a thin protective layer) on metal surfaces, reducing direct metal-to-metal contact, friction, and wear.

    Why is Castor Oil Used?

    • Renewable, biodegradable, and non-toxic.
    • Borophene enhances its performance, making it suitable as a sustainable alternative to petroleum-based lubricants.

    Significance

    • Reduces energy losses due to friction.
    • Increases machinery lifespan and efficiency.
    • Promotes eco-friendly lubricants for sustainable manufacturing.

    Prelims Facts

    • Borophene: Two-dimensional allotrope of boron.
    • Lubricant Base: Castor oil.
    • Friction Reduction: About 42%.
    • Protective Layer: Tribofilm.
    • Research Institute: IASST, Guwahati.
    • Ministry: Department of Science and Technology (DST).

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