Which scientific instrument's design breakthrough in 1931 by Ernst Ruska and Max Knoll revolutionized microscopy by allowing scientists to see objects thousands of times smaller than possible with light microscopes?

Product design in scientific instrumentation has led to revolutionary discoveries that shaped our understanding of the world. Some designs have become so iconic they've transformed entire fields of research. This trivia question explores one of the most significant product design innovations in scientific history that opened up previously invisible realms to human investigation. Test your knowledge of scientific instrument design that fundamentally altered research capabilities!

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Transmission Electron Microscope
Confocal Laser Scanning Microscope
Atomic Force Microscope
X-ray Crystallography Diffractometer