In today’s daily current affairs briefing for UPSC aspirants, we explore the latest developments that hold relevance for the upcoming civil services examination. Our focus today includes a critical analysis of recent policy changes, international affairs, and national developments, all of which play a pivotal role in shaping the socio-political and economic landscape of India. Stay informed and stay ahead in your UPSC preparations with our daily current affairs updates, as we provide you with concise, well-researched insights to help you connect the dots between contemporary events and the broader canvas of the civil services syllabus.
State-Sponsored Cyber Attacks
Tag: GS-3 Cyber Security, Internal Security
In News
Apple Inc. has issued notifications to various individuals, including opposition leaders and journalists, alerting them to the presence of “State-Sponsored Attackers attempting remote compromises” on their iPhones.
About State Sponsored Terrorism and its impact on internal security
- State-sponsored cyber-attacks, also known as nation-state cyber-attacks, are orchestrated by governments or their agencies against other nations, organizations, or individuals.
- These attacks stand out due to their high level of sophistication, organization, and substantial resources, as they benefit from a nation-state’s extensive capabilities and financial backing.
- Notable examples include the Stuxnet worm, alleged Russian interference in the 2016 U.S. presidential election, and the 2017 WannaCry ransomware attack tied to North Korea.
- Impacts on National Security:
- State-sponsored cyberattacks can result in the theft of sensitive national security information, military secrets, and critical infrastructure data, jeopardizing a nation’s defines capabilities.
- Attacks on key industries and critical infrastructure can lead to significant economic losses. Disrupting energy or financial systems, for instance, can have severe economic consequences.
- These attacks can be used to manipulate public opinion, influence elections, and undermine political stability. Disinformation campaigns and hacking can have far-reaching political implications.
- State-sponsored cyberattacks can violate a nation’s sovereignty and compromise its ability to govern and protect its citizens.
India has taken several initiatives to foster cybersecurity and address the growing challenges in the digital realm. Some key initiatives include:
National Cyber Security Policy (NCSP)
- The Indian government launched the NCSP in 2013 to protect information and critical infrastructure from cyber threats. The policy aims to create a secure and resilient cyberspace environment.
National Cyber Coordination Centre (NCCC)
- The NCCC is a government initiative that focuses on real-time monitoring and response to cyber threats.
Indian Cyber Crime Coordination Centre (I4C)
- I4C was established to combat cybercrime by coordinating with various law enforcement agencies and providing technical support. It also acts as a central repository for cybercrime-related data.
CERT-In (Indian Computer Emergency Response Team)
- CERT-In is the nodal agency for responding to cybersecurity incidents
Public-Private Partnerships
- The Indian government has encouraged collaboration between the public and private sectors to strengthen cybersecurity
Information Security Education and Awareness (ISEA) Project
- The ISEA project aims to create awareness about information security and build a skilled workforce in cybersecurity through training and education programs.
National Cyber Security Awareness Program (NCSAP)
- This program focuses on creating cybersecurity awareness among various stakeholders, including government employees, businesses, and the general public.
Data Protection Legislation
- India has been working on comprehensive data protection and privacy laws to enhance data security and protect individuals’ privacy.
International Initiatives
- International Telecommunication Union (ITU)
- Budapest Convention on Cybercrime
The path ahead
- A necessity exists for the formulation and execution of all-encompassing national cybersecurity policies and strategies that encompass both defensive and offensive measures in the cyber realm.
- Allocate funding and resources to enhance the cybersecurity infrastructure, encompassing cutting-edge intrusion detection systems, secure networks, and cybersecurity training for government entities.
- Engage in cooperative efforts with other countries and international organizations to exchange threat intelligence and synchronize responses to state-sponsored threats.
| UPSC Previous Year Questions Prelims (2020) Q. In India, under cyber insurance for individuals, which of the following benefits are generally covered, in addition to payment for the loss of funds and other benefits? Cost of restoration of the computer system in case of malware disrupting access to one’s computer Cost of a new computer if some miscreant wilfully damages it, if proved so Cost of hiring a specialised consultant to minimise the loss in case of cyber extortion Cost of defence in the Court of Law if any third-party files a suit Select the correct answer using the code given below: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 2 and 3 only (d) 1, 2, 3 and 4 Ans: (b) Prelims (2017) Q.2 In India, it is legally mandatory for which of the following to report on cyber security incidents? Service providers Data centres Body corporate Select the correct answer using the code given below: (a) 1 only (b) 1 and 2 only (c) 3 only (d) 1, 2 and 3 Ans: (d) Mains (2022) Q. What are the different elements of cyber security? Keeping in view the challenges in cyber security, examine the extent to which India has successfully developed a comprehensive National Cyber Security Strategy. |
Source: IE
India’s Deep Ocean Mission
Tag: GS-3 Scientific Innovations & Discoveries, Water Resources, Growth & Development GS – 2 Government Policies & Interventions
In News
India is embarking on a groundbreaking Deep Ocean Mission to explore and harness the largely uncharted depths of the ocean, offering substantial potential for scientific and economic benefits.
About India’s Deep Ocean Mission
- The Deep Ocean Mission (DOM) is a Ministry of Earth Sciences initiative with the objective of advancing technologies and capabilities for deep-sea exploration
- It consists of multiple key pillars such as
- deep-sea mining
- ocean climate change advisory services
- biodiversity exploration
- mineral survey
- A significant milestone in the DOM’s objectives is the launch of India’s flagship deep ocean mission, Samudrayaan, which involves a crewed expedition to reach a depth of 6,000 meters using the Matsya6000 deep-ocean submersible designed to withstand extreme pressures.
- Additionally, the successful deep-sea trials of ‘Varaha,’ an underwater mining system, at a depth of 5,270 meters represent a significant advancement in deep-sea resource exploration, particularly for valuable resources like polymetallic nodules and sulphides found at these depths.
Key Hurdles in the Exploration of the Deep Ocean
- Deep-sea exploration faces considerable challenges related to the immense oceanic pressure, requiring equipment with robust designs and materials to operate effectively in these harsh conditions.
- Landing heavy vehicles on the soft, muddy ocean floor is particularly difficult, and extracting materials demands substantial power.
- Furthermore, the limitations of remotely operated vehicles in the absence of electromagnetic wave propagation, coupled with limited visibility due to the limited penetration of natural light underwater, add to the complexity.
- Additionally, factors like temperature fluctuations, corrosion, and salinity create compounded challenges that necessitate comprehensive solutions.
Way ahead
Drawing from Nature for Innovation
- Seek inspiration from the natural world, particularly marine life, for creative engineering solutions.
- Biomimetic approaches may lead to the development of structures and materials ideally suited to deep-sea conditions, enhancing their durability and adaptability.
Advancing Sustainable Energy Sources
- Make strides in sustainable energy generation to sustain prolonged missions.
- This may encompass innovations in energy-harvesting technologies like harnessing ocean thermal energy through temperature differentials in the ocean, as well as exploring tidal and wave energy potential.
Integrating Multiple Sensor Technologies
- Combine various sensor technologies to compensate for the limited visibility in the deep ocean.
- This could involve merging sonar, lidar, and other imaging methods to form a comprehensive view of the deep-sea environment, facilitating better navigation and exploration.
Addressing Environmental Impact
- Ensure that deep-sea exploration endeavours have minimal ecological impact.
- Establish international regulations and policies governing deep-sea exploration to promote responsible and ethical practices, striking a balance between scientific progress and environmental preservation.
| UPSC Previous Year Questions Prelims (2022) Q. With reference to the United Nations Convention on the Law of Sea, consider the following statements: A coastal state has the right to establish the breadth of its territorial sea up to a limit not exceeding 12 nautical miles, measured from baseline determined in accordance with the convention. Ships of all states, whether coastal or land-locked, enjoy the right of innocent passage through the territorial sea. The Exclusive Economic Zone shall not extend beyond 200 nautical miles from the baseline from which the breadth of the territorial sea is measured. Which of the statements given above are correct? (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3 Ans: (d) Prelims (2021) Q. What is blue carbon? (2021) (a) Carbon captured by oceans and coastal ecosystems (b) Carton sequestered in forest biomass and agricultural soils (c) Carbon contained in petroleum and natural gas (d) Carbon present in atmosphere Ans: (a) |
Source: TH
3rd International Convention on Sustainable Trade and Standards – Quality Council of India
Tag: GS-3 Environment GS- 2 Important International Institutions, Groupings & Agreements Involving India and/or Affecting India’s Interests
In News
The Quality Council of India (QCI), held the 3rd International Convention on Sustainable Trade and Standards (ICSTS) in New Delhi.
The noteworthy features of ICSTS
- QCI and ARSO signed an agreement to boost trade and harmonize standards, especially Voluntary Sustainability Standards.
- India’s ONDC initiative in digital commerce was highlighted for its global standards alignment.
- QCI is responsible for assessing the digital readiness of ONDC Network’s Seller App.
- ICSTS facilitated a comparison of IndG.AP. and GLOBALG.A.P. standards to align Indian agriculture with global norms, benefiting about 12,000 farmers.
About Quality Council of India
- QCI is a non-profit organization registered under the Societies Registration Act XXI of 1860.
- It was jointly established by the Indian Government and leading industry associations: ASSOCHAM, CII, and FICCI, in 1997.
- QCI’s primary purpose is to promote and improve quality standards across diverse sectors in India.
- It plays a key role in accreditation, certification, and quality enhancement within India.
- DPIIT, part of the Ministry of Commerce and Industry, serves as the central point for quality-related matters and supports QCI in implementing government decisions.
- QCI is governed by a Council consisting of 39 members, including the Chairperson and Secretary General, with equal representation from the government, industry, and other stakeholders.
| UPSC Previous Year Questions Prelims (2017) Q. With reference to ‘Quality Council of India (QCI)’, consider the following statements: QCI was set up jointly by the Government of India and the Indian Industry. Chairman of QCI is appointed by the Prime Minister on the recommendations of the industry to the Government. Which of the above statements is/are correct? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2 Ans: (c) |
Source: PIB
Sixth Assembly of International Solar Alliance
Tag: GS-3 Environment
In News
The Sixth Assembly of the International Solar Alliance (ISA) was recently held at Bharat Mandapam in New Delhi.
The key focal points of the Assembly
- ISA Assembly discussed a strategy prioritizing energy access before transitioning to renewables, following the “access first and then transition” philosophy.
- Viability Gap Funding (VGF) for projects increased from 10% to a range of 10% to 35% to attract more investments, especially in African nations.
- During the assembly, four ISA-supported projects were inaugurated, covering various countries: Malawi Parliament solarization, Fiji rural healthcare centres’ solarization, Seychelles solar-powered cold storage installation, and Kiribati school solarization.
- India reiterated its commitment to make solar energy the primary source, aiming for renewables to supply 65% of global electricity by 2030 and decarbonize 90% of the power sector by 2050.
About International Solar Alliance (ISA)
- The International Solar Alliance (ISA) is a collaborative platform aimed at boosting the use of solar energy technologies to ensure energy access, security, and transition.
- Initially established during the 21st Conference of Parties (COP21) in 2015 as a partnership between India and France.
- The framework Agreement was amended in 2020, making all UN member states eligible to join ISA.
- Presently, 116 countries are signatories, with 94 completing ratifications to become full members.
- ISA follows its ‘Towards 1000’ strategy, targeting $1,000 billion in solar energy investments by 2030, delivering energy access to 1 billion people, and installing 1,000 GW of solar energy capacity, thereby reducing global solar emissions by 1 billion tonnes of CO2 annually.
- The Assembly serves as the highest decision-making body for ISA, with representation from each Member Country, responsible for implementing the ISA’s Framework Agreement and coordinated actions.
| UPSC Previous Year Questions Prelims (2016) Q. Consider the following statements: The International Solar Alliance was launched at the United Nations Climate Change Conference in 2015. The Alliance includes all the member countries of the United Nations. 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 Ans: (a) |
Source: PIB
Haemoglobin in Chondrocytes
Tag: GS-3 Biotechnology, Indigenization of Technology
In News
In a recent fortuitous finding published in Nature, it was revealed that chondrocytes, not only produce haemoglobin but also depend on it for their survival, challenging that haemoglobin is exclusively associated with red blood cells (RBCs).
About Haemoglobin Bodies or ‘Hedy’?
- In 2017, a Chinese pathologist discovered spherical structures in the cartilaginous tissue at the ends of certain long bones that resembled RBCs and contained haemoglobin.
- These structures, known as ‘haemoglobin bodies’ or ‘Hedy,’ were located within chondrocytes in the cartilage, forming through a phase separation process similar to oil separating from water.
- The discovery of functional haemoglobin in cartilage suggests its potential role in certain joint diseases linked to defects in chondrocytes.
- In 2018, researchers identified a distinct group of stem cells in the growth plate, with the possibility that haemoglobin in the growth plate could influence the fate of these stem cells.
Importance of Haemoglobin in Chondrocytes
- Haemoglobin is vital for chondrocytes’ survival, and its absence leads to embryonic lethality in mice.
- It plays a crucial role in oxygen transport and storage within chondrocytes.
- Haemoglobin enables chondrocytes to cope with low oxygen levels by transporting and releasing oxygen when needed.
- Without haemoglobin, chondrocytes experience hypoxic stress and impaired functionality.
| UPSC Previous Year Questions Prelims (2012) Q. With reference to ‘stem cells’, frequently in the news, which of the following statements is/are correct? Stem cells can be derived from mammals only Stem cells can be used for screening new drugs Stem cells can be used for medical therapies Select the correct answer using the codes given below: (a) 1 and 2 only (b) 2 and 3 only (c) 3 only (d) 1, 2 and 3 Ans: (b) Mains (2021) Q. What are the research and developmental achievements in applied biotechnology? How will these achievements help to uplift the poorer sections of the society? |
Source: TH
S-400 Missile and Project Kusha
Tag: GS-3 Environment
In News
In order to enhance its defence capabilities, the Indian Air Force (IAF) has positioned three S-400 Triumf air defence missile squadrons along its borders with China and Pakistan.
About S-400 Triumf air defence missile and its significance for India
- S-400 Triumf is a mobile SAM system developed by Russia, capable of intercepting and destroying various aerial targets like aircraft, drones, cruise missiles, and ballistic missiles.
- It offers a range of up to 400 km, altitude up to 30 km, and can engage up to 36 targets simultaneously with four missile types.
- Regarded as the most potent long-range SAM system globally, surpassing the US-developed THAAD.
- India procured S-400 missiles to bolster its air defence against modernized air forces and missile arsenals of China and Pakistan.
- India faces a dual threat from these neighbours, making the acquisition crucial.
- Vital for countering China’s expanding influence in the Indian Ocean Region, where it’s building ports and bases.
- India seeks strategic autonomy and diversified defence partnerships amid global order uncertainties.
About Project Kusha
- Project Kusha, led by DRDO, is India’s ambitious endeavour to create a long-range air defence system by 2028-29.
- This system aims to detect and neutralize enemy threats like cruise missiles, stealth fighter jets, and drones from long distances.
- It will include three interceptor missile types with ranges of 150 km, 250 km, and 350 km, as well as advanced long-range surveillance and fire control radars.
- Project Kusha is anticipated to rival the effectiveness of Russia’s S-400 and Israel’s Iron Dome systems.
About Iron Dome of Israel
- Israel’s defence system includes radar and interceptor missiles to track and neutralize rockets and missiles aimed at Israeli targets.
- Developed by state-run Rafael Advanced Défense Systems and Israel Aerospace Industries, it became operational in 2011.
- Effective against various threats, including rockets, artillery, mortars, aircraft, helicopters, and UAVs.
- Covers a range of nearly 70 km and comprises three key components: Detection and Tracking radar, Battle Management and Weapons Control, and Missile Launcher.
| UPSC Previous Year Questions Prelims (2018) Q.What is “Terminal High Altitude Area Défense (THAAD)”, sometimes seen in the news? (a) An Israeli radar system (b) India’s indigenous anti-missile programme (c) An American anti-missile system (d) A defence collaboration between Japan and South Korea. Ans: (c) Prelims (2014) Q2. With reference to Agni-IV Missile, which of the following statements is/are correct? It is a surface-to-surface missile. It is fuelled by liquid propellant only. It can deliver one-tonne nuclear warheads about 7500 km away. Select the correct answer using the code given below: (a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3 Ans: (a) Agni-IV is a nuclear-capable long-range ballistic missile of India, with a strike range of 4,000 km. The indigenously developed Agni-IV is a two-stage surface-to-surface missile. It is 20 metres long with a weight of 17 tonnes. Hence, statement 1 is correct. It is a two-stage solid fuelled system that can carry a one-tonne nuclear warhead over a distance of 4,000 kilometres. Hence, statements 2 and 3 are not correct. Therefore, option (a) is the correct answer. Mains (2020) Q. What is the significance of Indo-US defence deals over Indo-Russian defence deals? Discuss with reference to stability in the Indo-Pacific region. |
Source: LM
Global Declaration for River Dolphins
Tag: GS-3 Environment, Conservation
In News
A historic agreement was signed in Bogota, Colombia, where 11 Asian and South American nations joined forces to protect the planet’s six remaining river dolphin species and prevent their extinction.
About Global Declaration for River Dolphins
- The Global Declaration for River Dolphins seeks to reverse the decline of all river dolphin species and protect the most vulnerable populations.
- Key measures include eliminating gillnets, reducing pollution, increasing research, and creating protected areas for river dolphins.
- Adopting countries: Bangladesh, Bolivia, Brazil, Cambodia, Colombia, Ecuador, India, Nepal, Pakistan, Peru, and Venezuela, along with Indonesian regional representation for the Mahakam River.
- Eight foundational pillars involve establishing protected areas, improving site management, expanding research, engaging local communities, ending unsustainable fishing, enhancing water quality, promoting World River Dolphin Day (October 24), and boosting resource allocation and partnerships.
About River Dolphins
- River dolphins are freshwater cetaceans found in Asian and South American river systems.
- The world has six surviving river dolphin species: Amazon, Ganges, Indus, Irrawaddy, Tucuxi, and the Yangtze finless porpoise.
- The Chinese River dolphin was considered ‘probably extinct’ in 2007.
- Yangtze finless porpoises are classified as Critically Endangered according to the IUCN Red List.
- Amazon, Ganges, Indus, Irrawaddy, and Tucuxi dolphins are labelled as Endangered.
Threats to River dolphins
- River dolphins face various threats, including unsustainable fishing, hydropower dams, industrial pollution, agriculture, mining, and habitat loss.
- Climate change, exemplified by the death of 150+ Amazon River dolphins in drought-stricken Lake Tefe, poses a severe threat.
- Conservation efforts have shown success in populated river basins; the Indus River dolphin population in Pakistan doubled through collaborative efforts.
- Protective measures led to a 23% increase in Yangtze finless porpoise numbers, and the World Wildlife Fund’s electronic pinger project rescued 80 dolphins in Indonesia’s Mahakam River from gill net entanglement.
| UPSC Previous Year Questions Prelims (2015) Q. Which one of the following is the national aquatic animal of India? (a) Saltwater crocodile (b) Olive ridley turtle (c) Gangetic dolphin (d) Gharial Ans: (c) |
Source: WWF
CO2 to CO Conversion Technology
Tag: GS-3 Environment, Scientific Innovations & Discoveries, Achievements of Indians in Science & Technology
In News
IIT Bombay’s National Centre of Excellence in Carbon Capture and Utilisation (NCoE-CCU) has created an innovative technology for the conversion of carbon dioxide (CO2) into carbon monoxide (CO)
What Is the Working Mechanism of the CO2 to CO Conversion Technology?
- The CO2 to CO conversion technology operates via electrocatalysis, avoiding the need for high temperatures and equivalent hydrogen levels, functioning at ambient temperatures (25-40°C) in the presence of water.
- Renewable energy sources like solar panels and windmills can directly power this carbon-neutral process, making it highly energy-efficient and eco-friendly.
- Significantly, CO is crucial in the steel industry for converting iron ores to metallic iron and in the form of syn gas.
- Traditional CO production from coke/coal partial oxidation leads to substantial CO2 emissions.
- The new technology offers a circular economy opportunity, reducing carbon footprint and production costs in steel manufacturing.
- Electrocatalytic processes involve direct electron transfer between electrodes and reactants, promoting environmental sustainability and cost-effectiveness.
- Carbon monoxide (CO) is a colourless, doorless gas produced by incomplete hydrocarbon combustion, such as burning fossil fuels and wood.
- It can displace oxygen from blood haemoglobin and is toxic to humans.
- In the atmosphere, CO is short-lived and contributes to ground-level ozone formation.
| UPSC Previous Year Questions Prelims (2019) Q. Consider the following: Carbon monoxide Methane Ozone Sulphur dioxide Which of the above are released into atmosphere due to the burning of crop/biomass residue? (a) 1 and 2 only (b) 2, 3 and 4 only (c) 1 and 4 only (d) 1, 2, 3 and 4 Ans: (d) |
Source: PIB
India First International Cruise Liner
Tag: GS-3 Indian Economy
In News
Costa Serena, India’s inaugural international cruise liner, was inaugurated by Shri Sarbananda Sonowal, marking a transformative phase in the world of cruising and tourism.
Government has proactively advocated for cruise tourism, implementing a range of strategic measures to rejuvenate the cruise industry:
- Advancing the development of contemporary cruise terminals with enhanced amenities for passengers.
- Providing conditional IGST exemptions for foreign cruise operators, alleviating financial constraints.
- Establishing uniform Standard Operating Procedures (SOPs) for Customs, Immigration, CISF, and Ports, streamlining operational processes.
- Eliminating ousting charges, offering concessional rates, and volume discounts for cruise ships, fostering growth.
- Removing cabotage restrictions for foreign cruise vessels, enticing international participation in Indian waters.
Future Prospects
- Sagarmala Programme explores cruise and lighthouse tourism projects, enhancing maritime states’ tourism.
- Maritime India Vision 2030 aims to position India as the leading cruise hub in the Asia Pacific.
- Nationwide establishment of cutting-edge cruise terminals as part of infrastructure development.
- Introduction of standardized procedures and e-visa facilities.
- Ambitious goal: Attracting 18 lakh cruise passengers by 2030, compared to the current 4.72 lakhs.
- Maritime Amritkaal Vision 2047 envisions 25 operational cruise terminals and an estimated annual passenger count of 5 million by 2047.
- Future plans include launching a comprehensive cruise tourism policy aligning with international standards, addressing key aspects like GST, taxation, and customs duties.
Source: AIR News
Galapagos Island
Tag: GS-3 Environment
In News
The near Galápagos Islands boast untouched coral reefs, unveiling a realm teeming with abundant marine biodiversity.
About Galapagos Island
- The Galapagos Islands, part of Ecuador, cover an extensive area of almost 60,000 sq. km in the Pacific Ocean, situated about 1,000 km from the South American continent.
- Protected status: Designated a wildlife sanctuary in 1935, later becoming the Galapagos National Park in 1959. In 1978, they earned UNESCO’s first World Heritage Site recognition.
- Rich biodiversity: Home to diverse aquatic species like manta rays, sharks, marine iguanas, waved albatrosses, and critically endangered species like the Galápagos penguin, fur seal, sea lion, and iconic giant tortoises.
- Scientific significance: Charles Darwin conducted crucial observations in 1835, shaping his theory of evolution and describing the islands as a unique “world in itself.”
- Resilient corals: The waters off the west coast of Ecuador, where the islands are located, stand out for the corals’ ability to resist bleaching and death.
About Coral Reefs
- Coral reefs are diverse marine ecosystems formed by the accumulation of calcium carbonate secretions from corals.
- They provide habitat and protection for numerous marine species, making them one of the world’s most biodiverse environments.
- Coral reefs offer essential ecosystem services, such as fisheries, tourism, and shoreline protection.
- Climate Change Threat: Rising sea temperatures and ocean acidification due to climate change pose a severe threat to coral reefs, leading to coral bleaching and degradation.
- Conservation Efforts: Various organizations and governments work to protect and restore coral reefs through initiatives like marine protected areas and coral restoration projects.
- Economic Importance: Coral reefs generate billions of dollars in revenue through tourism, fisheries, and related industries, supporting coastal communities.
- Scientific Research: Researchers study coral reefs to better understand marine life, biodiversity, and the impacts of climate change.
- Fragile Ecosystems: Coral reefs are sensitive to environmental changes and require preservation efforts to ensure their survival.
Source: TWC
Formaldehyde CH2O
Tag: GS-3 Environment, Science and Tech.
In News
The FDA intends to prohibit the use of hair straighteners containing formaldehyde.
About Formaldehyde
- Formaldehyde, also known as methanal, is a naturally occurring organic compound with the formula CH2O.
- In its pure form, it’s a colourless gas with a pungent smell, but it spontaneously polymerizes into paraformaldehyde, so it’s typically stored as a solution known as formalin.
- As the simplest aldehyde (R−CHO), its name relates to its similarity to formic acid.
- Formaldehyde serves as a crucial precursor for various materials and chemical compounds.
- It is primarily used in the production of industrial resins, such as those used in particle board and coatings.
Source: NYT
Sterling Engine
Tag: GS-3 Environment, Science and Tech.
In News
Scientists from IISc and the Jawaharlal Nehru Centre for Advanced Scientific Research have created an engine that eliminates heat loss, with their findings published in the journal ‘Nature Communications’ this week.
About Sterling Engine
- A Stirling engine operates on a micro scale using a laser beam as fuel instead of gas.
- It functions like a piston with a single particle.
- Electric fields can be applied to this micro engine to significantly reduce heat loss, resulting in an efficiency of nearly 95 percent.
- It’s designed as a ‘Stirling’ engine, which compresses and expands air or gas between various temperature ranges periodically, converting heat energy into mechanical work.
- This innovative engine design has the potential to achieve high power and high efficiency simultaneously
Significance
- The significance of the Stirling engine lies in its ability to achieve both high power and high efficiency simultaneously, which was previously considered challenging.
- It operates on a micro scale, making it suitable for various applications where size and efficiency are critical.
- By drastically reducing heat loss, it has the potential to be more energy-efficient and environmentally friendly.
- This innovative engine design could find applications in various fields, including transportation, energy generation, and microengineering, offering improved performance and reduced environmental impact.
Source: TP
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