Khagol Bulletin # 136 (Apr 2025) - ENG

| 02 | KHAG L | No. 136 - APRIL 2025 A vibrant science and public engagement celebration marked the National Science Day 2025. The institute organised a series of educational and interactive events throughout February, culminating in a grand Open Campus Day on February 28. The celebrations, themed "Science & Innovation at IUCAA," attracted over 7,000 visitors of all ages from across Maharashtra. The highlight of the month- long festivities was the Open Campus Day, during which IUCAA opened its doors to the public, offering a glimpse into its scientific environment. Various locations across the campus hosted live demonstrations, hands-on exhibits, and public lectures, all designed to introduce visitors to the wonders of astronomy and astrophysics. At the Aryabhata and Kund area, attendees explored the Foucault Pendulum, sculptures of legendary scientists, and solar telescopes providing real-time views of the Sun. A special aeromodelling show by Madhav Khare was a major attraction, especially for younger visitors. The Bhaskara area featured interactive exhibits on LIGO-India, gravitational waves, and the ADITYA-L1 solar mission, along with demonstrations of quantum science concepts andmodels of AstroSAT. Public talks were conducted throughout the day at the Chandrasekhar Auditorium. The lecture series began with a session on solar studies by Janmejoy Sarkar and concluded with a talk on quantum entanglement by Anindita Banerjee from CDAC. Other speakers included Sourav Das,