UPSC Prelims Facts – 02 November 2024

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Scientists at the Institute of Nano Science and Technology (INST) have developed a novel security ink based on luminescent nanomaterials.

  • Doped with rare earth ions, these materials exhibit luminescence that varies based on the wavelength of light they’re exposed to.
  • Remains effective under a wide range of light, temperature, and humidity conditions, making it ideal for long-term use.
  • Applications – Can be applied to various items to ensure authenticity, including currency, certificates, branded goods, and medicines.

Scientists have detected a lost Mayan city, hidden for centuries by the dense Mexican jungle, using LiDAR.

  • Remote sensing technology using pulsed laser light to measure distances and create 3D models of Earth’s surface.
  • Comprises a laser, scanner, and GPS receiver; usually mounted on aircraft for terrain mapping.
  • Used in geography, conservation, policy planning, and archaeology
  • Enables archaeologists to survey large areas quickly, revealing structures hidden under dense foliage

The Indian and Chinese armies observed Diwali at the Chushul-Moldo border point

  • Situated in eastern Ladakh along the Line of Actual Control (LAC) between India and China.
  • Located close to the contested Pangong Lake area

Durgesh Aranya Zoological Park is set to become India’s first zoo certified by the Indian Green Building Council (IGBC)

  • Location – Himachal Pradesh.
  • Indian Green Building Council (IGBC) –
    • Formed in 2001 as part of the Confederation of Indian Industry (CII).
    • Headquarters – Hyderabad, India.
    • India’s leading body for green building certification, offering programs to promote sustainable architecture.

Prime Minister Narendra Modi engaged with young civil servants during Aarambh 6.0

  • An orientation program for young civil servants, designed to equip them with governance skills and foster innovative thinking.
  • Emphasized “Jan Bhagidari” (public participation), the importance of robust feedback mechanisms, and streamlined grievance redressal.

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