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Microscopes The word Microscope it given to the tool used to view object that are too small to be seen with the naked eye. During the 1st century AD, glass had been invented and the Romans were looking through the glass. They experimented with different shapes of clear glass and one of their samples was thick in the middle and thin on the edges. They discovered that if you held one of these pieces of glass over an object, the object would look larger. Before microscopes as we know where invented, what was considered as a microscope was just really a Magnifying Lens, early biologist used them to study tiny insects such as Fleas, thus the viewer was called a Flea Lens. Two Dutch spectacle makers in the 1590's (Zaccharias Janssen and his father Hans) experimented with lenses and realised that if several lenses were put into a tube and the object...

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