Which scientific instrument, first developed in the 1930s, won its inventor a Nobel Prize and revolutionized molecular biology by enabling scientists to visualize structures too small for light microscopy?

The history of scientific instruments reveals how product innovation drives discovery. Some instruments have been so revolutionary that they fundamentally changed our understanding of the world. This poll tests your knowledge about a famous scientific product that transformed multiple scientific fields and earned its inventor a Nobel Prize. See if you can identify this game-changing instrument that continues to influence modern scientific research.

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Electron Microscope (Ernst Ruska, 1986 Nobel Prize in Physics)
Nuclear Magnetic Resonance Spectrometer (Felix Bloch & Edward Purcell, 1952 Nobel Prize in Physics)
Mass Spectrometer (Francis Aston, 1922 Nobel Prize in Chemistry)
X-ray Crystallography Camera (Dorothy Hodgkin, 1964 Nobel Prize in Chemistry)