➀ MIT researchers developed a magnetic transistor using chromium sulfur bromide, a 2D magnetic semiconductor, to replace silicon, enabling smaller, faster, and more energy-efficient circuits;

➁ The material's clean magnetic state switching and air stability overcome silicon's limitations, achieving a 10x current amplification with low-energy operation;

➂ The transistor's built-in memory potential simplifies circuit design and unlocks new applications in high-performance electronics.