Science on Instagram: "A missile doesn’t just fly straight; it constantly watches the plane it’s trying to hit. Modern missiles have tiny “brains” with sensors—like radar, infrared heat seekers, or GPS—that keep checking where the target is every fraction of a second. As the aircraft moves, the missile updates its direction by adjusting its fins, turning toward the plane again and again. This rapid correction makes its path curve smoothly until it lines up perfectly with the target. Instead of “