The idea of harnessing the sun’s energy may seem like a modern invention, but humanity has been relying on solar power for thousands of years. From ancient civilizations that used sunlight for daily needs to today’s cutting-edge solar panels, the journey of solar power reflects our enduring relationship with the greatest energy source of all—the Sun. 🏺 Ancient Origins of Solar Power Long before technology, people understood the sun’s potential: Greek and Roman Civilizations: They designed homes and bathhouses with large south-facing windows to capture and trap sunlight for warmth—a technique known as passive solar heating . Chinese Architecture: Ancient Chinese builders positioned houses to maximize sunlight in winter and shade in summer, practicing early energy efficiency. Magnifying Glass Experiments: As early as 7th century BCE, people used magnifying glasses to focus sunlight and create fire. Solar Worship: Beyond practicality, many cultures, including ...