UPSC Prelims Facts – 11 December 2024

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Great Barrier Reef witnessed mass coral spawning event that happened after the November full moon in Australia.

  • Process by which corals reproduce by releasing eggs and sperm into the water simultaneously.
  • Typically occurs once a year and is synchronized with lunar cycles, often during a full moon.
  • Environmental Factors –
    • Temperature: Optimal water temperatures are crucial for successful coral spawning.
    • Water Quality: Clean, unpolluted water is essential for the survival of coral larvae.
    • Light: Light conditions, influenced by lunar cycles, play a significant role in triggering coral spawning events.

Amrit Gyaan Kosh Portal on iGOT platform launched.

  • Purpose – To empower educators and enhance the quality of public administration training across India.
  • Jointly developed by Capacity Building Commission and Karmayogi Bharat
  • Encompasses diverse policy themes such as health, education, agriculture, and digital governance.

Latest RBI survey shows weakened consumer confidence in India’s economy, employment, and spending.

  • An economic indicator reflecting optimism or pessimism about the economy and personal finances.
  • Published by Reserve Bank of India (RBI) measures it through a bi-monthly
  • Consists of 2 indexes –
    • Current Situation Index (CSI): Consumer sentiment about the economy, employment, and prices compared to a year ago.
    • Future Expectation Index (FEI): Expectations about the economy, employment, and prices a year ahead.

Scientists from University of Bristol and UKAEA have created world’s first carbon-14 diamond battery.

  • Utilizes the radioactive decay of carbon-14, commonly used in radiocarbon dating, to generate electricity.
  • Energy Conversion – Similar to a solar panel, it converts energy, but instead of using light, it harnesses fast-moving electrons from radioactive decay.
  • Generates low levels of electricity without any leakage.
  • Potential Applications –
    • Can power devices such as pacemakers, hearing aids, and ocular devices.
    • Ideal for space missions due to its long-lasting power, making it suitable for satellites.
    • Helps manage nuclear waste by extracting carbon-14, thereby reducing radioactivity and storage costs.

India soon to create a comprehensive Anti-Drone Unit to secure its borders: Union Home Minister

  • Refers to methods/systems used to detect, track, and mitigate unauthorized UAVs or drones that may pose a security threat.
  • Technology Used – Radio Frequency jammers, Global Positioning System (GPS) spoofers, net guns, etc.
  • Recent Anti-Drone Measures Deployed by India –
    • DRDO’s Soft Kill (for jamming the communication links of Drone) and Hard Kill (Laser based hard kill to destroy the Drone)
    • Counter Drone System (D4 System) of Bharat Electricals Limited

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