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History of microscope essay
History of microscope essay
History of microscope essay
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Microscope Research Paper
The evolution of the microscope. The first form of the microscope was a crystal that was found by someone from a long time ago. The crystal was thick in the middle, but thinner around the egdes. The crystal made things look bigger when someone looked through it. The pearson also noticed that if the sun shone through the crystal, certain things could get burnt or set on fire. They were known as "magnifiers". Magnifiers were mentioned in the writings of the two Roman philosophers, Seneca and Pliny. Apperantly, maginfiers weren't really used much until the invention of the spectacles.
The oldest actual microscope was actually just a tube with a plate at one end and a glass lens at the other end. They magnified small objets by ten diameters. These amazed people when being used for magnifing small creepy organisms, bugs, mostly fleas. Thus, giving them the name, "flea glasses".
In 1590, Zaccharias Janssen and his son Hans,were experimenting with several lenses, when they noticed that objects near the lenses appeared to be larger. This led to the creation of the compound microscope and the telescope.
In 1609, Gaileo, known as the father of modern physics and astronomy, had heard of Janssen's experiments, and decided to experiment with the lenses as well. Eventually, Gaileo made a better instrument that had a focusing device on it.
Anton van Leeuwenhoek is known as the father of microscopy. He made lenses have up to a magnification of up to 270 diameters. He did this by shining the lenses. This led to the invention of his microscopes. His microscopes allowed him to be the first pearson to ever see bacteria, yeast plants, the circulation of blood corpuscles in capillaries, and the teeming life in a dr...
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...ed yeast fungus by using the microscope.
Future of the Microscope. The future looks good for microscopes. There are newer ones being made each year. Each one having better quality and smooth functionality than past microscopes. Scientists are also trying to improve the microscopes magnification ability.
Works Cited
Bellis, Mary. “Microscope History.” About.com Inventors. About.com, 20 Dec. 2013. Web. 02 Feb. 2014
Browne, Clayton. “which Careers Use Microscopes?” Everyday Life. GlobalPost, n.d Web. 31 Jan. 2014
Hitchcock. “Result Filters.” National Center for Biotechnology Information. U.S. National Library of Medicine, n.d. Web. 03 Feb. 2014.
Sites used for information:
http://inventors.about.com/od/mstartinventions/a/microscope.htm
http://everydaylife.globalpost.com/careers-use-microscopes-4957.html
http://www.ncbi.nlm.nih.gov/pubmed/10458129
1) A stationary body will stay stationary unless an external force is applied to it; 2) Force is equal to mass times acceleration, and a change in motion is proportional to the force applied; and 3) For every action, there is an equal and opposite reaction. (Bio.org, 2017) He invented the optics which he helped to inspire the build of the
Apfeldorf’s article “Uncovering a Tiny World” discusses Hooke’s book which is known for its microscopic illustrations of insects and microbes that Hooke had drawn as he viewed them under the microscope. His elaborate drawings of tiny objects and insects were the scientific evidence that supported his claims of the significant value of the microscope to science and the many ways it could be used. The book also contained a description of how to make a powerful microscope with a spherical lens, much like Leeuwenhoek’s glass pearls. Leeuwenhoek traveled to England that same year and is believed to have obtained a copy of Hooke’s book and
Higher magnification with good resolution can be obtained by using a special objective lens. This lens is called an Oil Immersion lens; this is a lens with fluid (oil) between the lens and the objective, but even with this lens it not possible to achieve effective magnification above 2000 times. The light microscope opened up a new world of structural detail for biologists, revealing the variety of cell forms making up new organisms. After a while scientists became curious, as the limitations prevented them
At this point, Galileo’s career took a dramatic turn. In spring of 1609 he heard that Netherlands this instrument was invented that showed things that are far as though they were nearby. After, few tries he quickly found out the secret of the invention is a three-powered spyglass from lenses for sale in spectacle makers shops. To improve this, he taught himself the art of lens grinding, and produced powerful
Antoni and Hook were known for the development of the microscope. Before Antoni improved the microscope, the microscope could only magnify objects 20 or 30 times their natural size. Antoni, a Dutch lens-maker, learned to grind a lens that magnified over 200 times. One of Antoni’s inspirations came from a publication by Robert Hooke’s book Micrographia. In this book the term cell was used to describe the basic unit of a structure in plants and animal life. Hooker wrote about his observations through various lenses. Newton was the most important figure in the scientific revolution because of his book the Principia. In this publication Newton describes the universe and its guidelines. In this he created the universal law of gravity and its mathematical equation. He demonstrates that every object exerts an attraction to a greater or lesser degree on all objects. The Principia led to the creation of the Royal Society in
"Result Filters." National Center for Biotechnology Information. U.S. National Library of Medicine, n.d. Web. 13 Mar. 2014.
"Result Filters." National Center for Biotechnology Information. U.S. National Library of Medicine, n.d. Web. 25 Apr. 2014.
In 1609, Galileo put 3 lenses together in just the right way so that when he looked into the night sky, it was magnified by over a factor of thirty. His invention was the modern telescope, and “Cartesian doubt, the most immediate consequence of Galileo’s discovery”, was quickly amplified by the newfound understanding of the universe around us (Hannah). As people began to look out into the night sky, a new realm of technological opportunity was revealed. Some philosophers have a problem with this expansion- Hannah Arendt cites Galileo’s invention as the beginning of humans looking away from the world, distracting us from our worldly obligations.
When you look into the night sky it is full of wonder and endless possibilities to be discovered. The telescope is a major key to the exploration and discovery of these wonders. Without the invention of the telescope many of the scientific advances we have today wouldn’t exist and all the things we know about space would still be a mystery. Galileo is often credited for inventing the telescope, though, Hans Lippershey, (A Dutch eyeglass maker) was the true inventor. Hans Lippershey (Also known as: Jan Lippersheim, Hans Lipperhey, and Hans Lippersheim) was born in Wesel, Germany in 1570.
“... Antony van Leeuwenhoek considered that what is true in natural philosophy can be most fruitfully investigated by the experimental method, supported by the evidence of the senses; for which reason, by diligence and tireless labour he made with his own hand certain most excellent lenses, with the aid of which he discovered many secrets of Nature, now famous throughout the whole philosophical World.”
Although telescopes has been around for several hundreds of years, there has been great discrepancy as to who invented it first. Here is one authors opinion. Lippershey was a Dutch spectacle marker during the early 17th century (approximately 1600). He was one of the first who created the "looker" (now called telescope) by placing two pieces of lenses together. The discovery that placing lenses together can magnify images were made by children who took Lippershey's spectacles and looked at a distant church tower.
The invention of the bifocals was one of the most important inventions of the 1700s. They have changed the lives of both children and adults that have issues with their eyesight. They rid people of eyestrain and headaches. Also, bifocals rid people of the inconvenience caused by having to shift from one pair of glasses to the other. Bifocals also allowed for more types of glasses to be developed.
pen, the practical light bulb, the kinetographic camera, and others such as the phonograph, the
Thanks to his studies, especially after the translation of Kitâb al-Manâzir (The Book of Optics), many scholars and scientists were inspired. Later European scholars were able take what he had discovered and further our knowledge about cameras and optics in general. Alhazen’s creation of the pinhole camera is the reason why cameras and other important inventions were created, such as eye-glasses, magnifying glasses and telescopes were created, as scholars and scientists knew how images are reflected in our eyes. He especially influenced Isaac Ne...
The achromatic lens that first appeared in a 1733 telescope made by Chester Moore Hall, John Hadley's production of larger paraboloidal mirrors in 1721, the process of silvering glass mirrors introduced by Léon Foucault in 1857, and the adoption of long lasting aluminized coatings on reflector mirrors in 1932 evolved the telescopes to higher levels of performance and accuracy.