Polyphase Induction Motor (1888)** - **What**: Foundation of modern AC

Polyphase Induction Motor (1888)** - **What**: Foundation of modern AC motors; converts electrical energy to mechanical rotation. - **Bullet points**: ✓ Alternating Current (AC) ✓ Rotating magnetic field ✓ Industrial revolution - **Graphical description**: *"A cutaway industrial motor with copper coils, rotating rotor, and visible magnetic field lines. 19th-century engineering style."* ! Use *1890s electro-tech*" or "*Tesla lab aesthetic in future environment*" for style consistency, make vintage light version of pic. Make collor of digital blue lines of future for completely picture. Make dark background with blue lines and text, digital in storms.