A microscopy technique that images surfaces at the atomic level by measuring quantum tunneling current between a sharp metallic probe and conductive sample. It can resolve individual atoms and manipulate them with extraordinary precision.
Named for its 'scanning' motion and 'tunneling' current (quantum mechanical effect where electrons pass through energy barriers). Invented by Gerd Binnig and Heinrich Rohrer at IBM in 1981, earning them the 1986 Nobel Prize in Physics.
Scanning tunneling microscopy doesn't just see atoms - it can actually pick them up and move them around like molecular Lego blocks! It exploits one of quantum mechanics' weirdest effects where electrons can magically appear on the other side of barriers they shouldn't be able to cross.
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