Probing Reionization of the Universe Using Signal from Hydrogen

Learn about the fascinating process of cosmic reionization and how scientists study the early universe through hydrogen signals in this 18-minute popular science talk delivered at Science Gallery Bengaluru's 'Science in the City' exhibition. Explore how astronomers use hydrogen as a tool to understand one of the most significant phase transitions in cosmic history, when the first stars and galaxies began to illuminate the dark cosmos. Discover the cutting-edge research techniques and methodologies employed at Raman Research Institute to detect and analyze these ancient signals, offering insights into the universe's evolution from the cosmic dark ages to the formation of the structures we see today.