caption: Model EMB-4 electron microscope (c. 1942): RCA television expert <PERSON>'s interest in the ability of electromagnetic fields to alter the trajectory of charged particles led him to work on a new type of microscope, a machine that used electron beams to scan samples at a much higher resolution than traditional optical instruments could. In 1940, <PERSON>, a physicist in <PERSON>'s lab, had demonstrated the Model B, one of the world's first commercial electron microscopes. Electron microscopy would transform how scientists examine otherwise invisible specimens and bolstered the company's reputation for technical achievement.
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