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The microscope (from Ancient Greece: μικρός, MIKROS, "small" and σκοπεῖν, skopein, "to see" or "see") is a tool used to view objects that are too small to see with the naked eye. A microscope is a science that investigates small objects and structures using such instruments. Microscopic means invisible to the eye unless assisted by a microscope ..
There are many types of microscopes, and they can be grouped in various ways. One way is to illustrate how the instrument interacts with the sample to create an image, either by sending a beam of light or electron to a sample in its optical path, or by scanning across, and short distances from, the sample surface using a probe..
The most common (and first discovered) microscope is an optical microscope, which uses light to pass through samples to produce images. The other major types of microscopes are fluorescence microscopy, electron microscopy (both, transmission electron microscopy and scanning electron microscopy) and various types of probe scanning microscopes ..
