Birla Industrial & Technological Museum, Calcutta, marked a milestone in 1968 with the launch of its Mobile Science Exhibition on ‘Light and Sight.’ Featuring 24 interactive exhibits that explained everything from how our eyes and cameras work to the magic of colours, reflection, refraction, and lenses, the exhibition ignited curiosity among students across Midnapore. The science bus then carried this spark of learning through Calcutta, Howrah, 24-Parganas, Bankura, Purulia, Birbhum, and Murshid