Explaining The Universe on Instagram: "Scanning Tunneling Microscope (STM) imaging is a technique that allows scientists to see and study surfaces at the atomic scale by exploiting the principle of quantum tunneling. A sharp metallic tip is positioned extremely close to a conductive surface, and when a small voltage is applied, electrons tunnel between the tip and the surface, generating a measurable current. By scanning the tip across the surface and adjusting its height to maintain a constant