In a nondescript factory on the outskirts of Stockholm, a silent revolution is underway. Every six seconds, a top-secret printer churns out sheets worth thousands of euros each. These sheets contain 108 miniature solar cells, destined to power everyday gadgets, from keyboards to headphones, promising to redefine our relationship with technology. Welcome to the world of Exeger, where light is power. Sweden, with its long dark winters, might seem an unlikely birthplace for a solar revolution. Yet, it was precisely this challenge that drove Exeger co-founder Giovanni Fili to look beyond the sun as the sole source of power. His breakthrough technology can harvest electricity from virtually any light source, from direct sunlight to candlelight, even moonlight. "Like algae at the bottom of the ocean, where it's almost pitch black, we can make efficient use of very few photons," Fili explains. The heart of Exeger's innovation lies in their Powerfoyle solar cells. Unlike trad...