biology explanation 🫀🦠 on Instagram: "Follow @bio_explanation Read Caption ⬇️ The milli-spinner is a tiny mechanical device designed to rotate at extremely high speeds, often used in microengineering and scientific experiments. It works by using electromagnetic or electrostatic forces to generate rotation in a microscopic rotor. When an electric current or laser light is applied, it creates torque that spins the rotor at thousands to millions of revolutions per minute. This motion is stabilize