Dreams of light tells the fascinating story of how humanity has sought to harness the energy of the sun, from Archimedes' mirrors to cutting-edge photovoltaic panels. With a rigorous yet accessible approach, it traces the scientific and technological breakthroughs that have made it possible to transform solar radiation into usable power, while examining the challenges and opportunities of the global energy transition. An enthralling journey through the past, present, and future of the most powerful and promising energy source of our time.