Welcome Biology Microscopes
Microscopes are an optical tool that has been very beneficial in discovering and observing cells and other minute specimens. The microscopes’ practicality and applications have sparked a lot of wondering of who was responsible in inventing this wonderful tool and also of how advanced they have become in these present days. The history of the very first true microscopes has started with a glass lens grounder named Anton van Leeuwenhoek. While he was on his work he noticed that by arranging the glass lenses at certain spaces from one another, the object under it is magnified considerably under his field of view. The light microscope is considered to be one of the earliest microscopes that have been made. This kind of microscope could be utilized to enlarge the image of a lot of things like that of a drop of water.
By the use of his invention, Leeuwenhoek has found out that in a tiny droplet of water contains a lot of minute organisms. On the other hand, Robert Hooke utilized the light microscope in observing and examining various living things like flowers, insects, cork, and others, and in the year 1665, he published a book that contains drawings of the things that he has seen under the light microscope. Most of these drawings contain tiny rectangles on them that Robert Hooke called as cells; this is because these tiny rectangles made him remember of the tiny rooms in a monastery. It was thought of for such a long time that only plants were composed of cells. This is because of the fact that there were no animal cells that has been observed at that time. But in the year 1839, Theodore Schwann has been able to expose cells within animal tissues that could be compared to the cells of plants.
Schwann has continued his study and research on animals through the use of microscopes, which has resulted in the discovery that all animals are also composed of cells. Experts and Biologists alike all over the world have been enlightened further about living things in general through the use of advanced microscopes. Microscopes that are commonly used for classroom applications include the usual compound light microscope, as well as the electron microscope. The compound light microscope is the kind of microscope that utilizes multiple sets of lenses and also of visible light to produce the magnified image of the specimen. On the other hand, electron microscopes are another kind of microscope that utilizes an electron beam instead of visible light to come up with the enlarged image of the specimen. Moreover, the scanning probe microscope is yet another kind of new innovations in the field of microscopy that is utilized in high-end applications only.
This kind of microscope utilizes a tiny tip that is called a probe to scan the faces of the specimen under investigation, hence the name scanning probe microscope. This kind of microscope is considered to be of the most sophisticated microscopy equipment that is capable of imaging even at the molecular and atomic level of the specimen. All of the living things around you and also all that have existed in this planet are all made up of cells. If you have never, in any circumstances, have observed or viewed a single cell before, then it is the perfect time for you to explore of what a cell is really like through the use of the microscope present in your science room or laboratories.
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