TNPSC CURRENT AFFAIRS – 04.11.2024

  1. AWARDS

HOPFIELD AND HINTON, MACHINE LEARNING PIONEERS, WIN NOBEL PRIZE IN PHYSICS

  • The 2024 Nobel Prize in Physics recognizes foundational work in artificial neural networks (ANNs), specifically the contributions of John Hopfield and Geoffrey Hinton that paved the way for modern machine learningand AI applications like ChatGPT.
  • Foundational work:The prize recognizes the fundamental theoretical contributions that laid the groundwork for the current AI revolution. These scientists’ insights into neural networks and learning algorithms were crucial for the development of deep learning.
  • Think of the brain:ANNs are inspired by the human brain. They consist of interconnected nodes (“neurons”) that process information. The connections between these neurons determine how information flows.
  • Hopfield’s contribution:John Hopfield created a type of ANN called the Hopfield network. It’s like a group of magnets, each influencing the others.
  • The network learns by strengthening connections between neurons that frequently activate together (like how repeated actions create stronger memories in our brains).
  • This allows the network to complete partial patterns or clean up noisy images, similar to how magnets settle into a low energy state.
  • His work connected the physics of magnets to the workings of neural networks.
  • Hinton’s breakthrough:Geoffrey Hinton built upon Hopfield’s work and others to develop a more powerful type of ANN capable of “deep learning.” He figured out how to train these networks layer by layer, making them much more sophisticated.
  • Imagine stacking multiple Hopfield networks on top of each other, each specializing in a different aspect of a problem.
  • Why it matters:These discoveries laid the foundation for the AI revolution we’re experiencing today. Deep learning ANNs are used in everything from image recognition and language processing to medical diagnosis and financial modeling.
  • Hinton’s work, in particular, enabled the creation of powerful AI models that can learn complex patterns from vast amounts of data without explicit human instruction.

2. ENVIRONMENT

INDIA HAS ELIMINATED TRACHOMA, SAYS WHO

  • What is Trachoma?
  • Trachoma is a contagious bacterial infection of the eye caused byChlamydia trachomatis.
  • It’s the world’s leading infectious cause of blindness. Repeated infections lead to scarring of the inner eyelid, causing the eyelashes to turn inwards and scratch the cornea (trichiasis).
  • This constant irritation and abrasion can eventually lead to irreversible corneal opacity and blindness. Trachoma primarily affects communities in developing countries with limited access to clean water, sanitation, and healthcare. Young children are particularly vulnerable.
  • India’s Elimination of Trachoma as a Public Health Problem: India’s achievement of eliminating trachoma as a public health problem is a significant milestone. It means the prevalence of active trachoma (inflammation of the eyelid) among children aged 1-9 years has been reduced to below 5%.This doesn’t mean trachoma has been completely eradicated, but it’s no longer a major public health concern.
  • Key Strategies that Led to India’s Success:
  • The SAFE Strategy:India implemented the WHO-endorsed SAFE strategy, a comprehensive approach to trachoma control: Surgery: Correcting trichiasis (in-turned eyelashes) through surgery.
  • Antibiotics: Administering antibiotics (like azithromycin) to treat active infections and clear the bacteria.
  • Facial cleanliness: Promoting face washing and hygiene practices to prevent transmission.
  • Environmental improvement: Improving access to clean water and sanitation to reduce breeding grounds for the bacteria.
  • Strong Political Commitment and Leadership:Government support and prioritization of trachoma control were crucial for allocating resources and implementing programs effectively.
  • Partnerships and Collaboration:Working with international organizations like the WHO and NGOs strengthened program implementation and resource mobilization.
  • Effective Surveillance and Monitoring:Regular surveys and data collection helped track progress, identify high-risk areas, and adapt strategies as needed.
  • Community Engagement and Health Education:Raising awareness about trachoma, its prevention, and the importance of seeking treatment was essential for community participation and behavior change.
  • Dedicated Healthcare Workers:The commitment and efforts of ophthalmologists, healthcare workers, and community health volunteers played a vital role in delivering services and reaching remote communities.

3. BILATERAL

MALAYSIA NOT TO PRESS FOR REVIEW OF IMPORT DUTY RISE ON EDIBLE OIL

  • The diplomatic response of Malaysia to India’s increased import duty on edible oils:
  • Respect for India’s Decision:Malaysia publicly stated its respect for India’s sovereign decision to raise import duties on edible oil. This diplomatic approach aims to maintain positive bilateral trade relations.
  • No Impact on Trade Relations:Malaysia expressed confidence that the duty increase would not significantly affect the overall trade relationship between the two countries. This suggests a belief in the resilience of their trade ties.
  • Offer of Support for India’s Oil Palm Mission:Malaysia offered to assist India’s National Mission on Sustainable Oil Palmcultivation by sharing technology, high-yielding seeds, and saplings. This offer could potentially boost India’s domestic palm oil production.
  • Support for Indigenous Palm Oil Production:Malaysia expressed support for India’s efforts to increase domestic palm oil production. This could be interpreted as a strategic move to maintain a presence in the Indian market, even with increased domestic production.

4. AGRICULTURE

FLORICULTURE BLOSSOMS IN ONE OF THE BACKWARD REGIONS OF ODISHA

  • A successful example of rural development and agricultural diversification through the adoption of floriculture and the formation of an FPO.
  • Shift from Traditional Farming:Jujumara, Odisha, traditionally reliant on paddy cultivation, is undergoing a transformation with farmers embracing floriculture as a more lucrative cash crop.
  • This diversificationreduces dependence on a single crop and opens up new income opportunities.
  • Role of FPOs:The Sabuja Sanatanpali Farmer Producer Company Limited, one of Odisha’s first flower-focused FPOs, plays a crucial role in this shift.
  • By uniting farmers, the FPO provides collective bargaining power, market access, and shared resources, enabling better price realization and reduced market risks.
  • Scientific Intervention:The CSIR-NBRI’s involvement, providing scientific inputs and training, has significantly improved flower cultivation practices and yields.
  • This highlights the importance of research and developmentin enhancing agricultural productivity.
  • Real-Time Market Information:The use of a WhatsApp groupto share real-time market updates and demand trends is a simple yet effective way to connect farmers directly with market information.
  • This empowers them to make informed decisionsabout production and sales, minimizing losses and maximizing profits.
  • Supplementary Income through Apiculture:The introduction of apiculture (beekeeping)as a supplementary activity alongside floriculture further diversifies income streamsand promotes sustainable agricultural practices. The synergy between flower cultivation and beekeeping benefits both activities.
  • Increased Profitability:There is a substantial increase in farmers’ income after shifting to floriculture, exceeding ₹1 lakh per acre compared to around ₹40,000 per acre from paddy cultivation. This demonstrates the economic viability and potential of floriculture as a driver of rural prosperity.
  • Scalability and Replicability:This model of FPO-driven floriculture, supported by scientific inputs and market linkages, has the potential to be replicated in other regions with similar agro-climatic conditions.
  • This can contribute to broader agricultural diversification and rural development efforts.

5. SCIENCE AND TECHNOLOGY

UPPER STAGE OF PSLV C – 37 RETURNS TO EARTH, SAYS ISRO

  • India’s growing space capabilities and its commitment to responsible space practices.
  • Record-Setting Mission:The PSLV-C37 mission, launched in 2017, holds the record for deploying the highest number of satellites (104) in a single launch. This demonstrates ISRO’s proficiency in cost-effective and efficient space launches.
  • Controlled Re-entry:The return of the PSLV upper stage after seven years is a significant event. 
  • It showcasesISRO’s ability to track and predict the re-entry of its space objects, crucial for mitigating space debris risks.
  • The fact that the re-entry occurred over the North Atlantic Ocean minimizes the risk to populated areas.

ONE LINER

  1. Tamil Nadu Handicrafts Development Corporation Limited has filed an application seeking the Geographical Indication tag for “Puzhuverkadu panai olai kavinai”
  2. The Conference on Maritime Decarbonization in New Delhi, co-hosted by the Ministry of Ports, Shipping and Waterways, and the Asian Development Bank

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