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Fleas glasses allowed for examination of small creatures such as the flea. More of an entertainment device than a scientific instrument.
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Dutch spectacle makers Zaccaria and Hans Janssen lined up two lenses in a tube to create the first true compund microscope.
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Anton van leeuwenhoek was the first to put the microscope to scientific use. His invention used an extreme curvature of one simple lens to magnify specimens up to 279 times.
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Electron beams with smaller wavelegths than ligh were used to construct a microscope that no longer depended on light waves for manification.
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Light microscopes can be found in classrooms across the world, and their affordability makes them a popular option in the education arena of science and medicine.
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