<p>➀ Regina Luig developed a method for indirect temperature monitoring of the rotor magnets in electric motors during her bachelor's thesis at Hochschule Coburg. </p><p>➁ Instead of temperature, she measures changes in the magnetic field, which weaken as the motor heats up. </p><p>➂ This innovative approach helps prevent overheating and reduces the need for rare earth materials, thus contributing to the sustainability of electric motors.</p>