A microscope is an instrument used to see objects that are too small for the naked eye. The science of investigating small objects using such an instrument is called microscopy. Microscopic means invisible to the eye unless aided by a microscope.
There are many types of microscopes, the most common and first to be invented is the optical microscope which uses light to image the sample. Other major types of microscopes are the electron microscope and the various types of scanning probe microscope.
Here are some interesting facts and brief history of the microscope which makes easy for you to understand the origin and development of the microscope.