In 1660, the German scientist and politician Otto von Guericke constructed the first electrostatic generator in Magdeburg. His device consisted of a sulfur sphere mounted on an iron shaft that could be rotated and rubbed by hand, producing visible static electricity and small sparks. This was the first machine capable of generating electricity continuously rather than simply observing it from natural sources like amber or lightning, marking a crucial step from passive observation to active experimentation.

Von Guericke's machine transformed electricity from a curiosity observed in nature into a human-made phenomenon, introducing the idea that electrical force could be created and controlled. This notion of humanity mastering invisible natural forces resonated deeply with Baroque and later Enlightenment literature's fascination with human power over nature. The dramatic visual of sparks drawn from a spinning sphere became an image that would later appear in Romantic poetry's metaphors for creative inspiration and the generative power of the mind.