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science elective- the microscope

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on 22 January 2013

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Transcript of science elective- the microscope

Sources Timeline Background Info. Parts of the Microscope- Technology "History of The Microscope." About.com Inventors. N.p., n.d. Web. 19 Jan. 2013. The Microscope Organization/ Website On the website: http://www.microscopy.info/ there are a list of organizations which help in research and fundraising money to provide for new microscopes and fund experiments to further improve the microscope. Connections Biology- Notable Scientists or Engineers Hans and Zacharias Janssen: made the first microscope during the 1590's by putting many lenses together and discovered that the image was enlarged. By: Manisha Artly A few major and some minor, historical event: http://inventors.about.com/od/mstartinventions/a/microscope.htm "History of the Microscope.org." History of the Microscope.org. N.p., n.d. Web. 19 Jan. 2013. http://www.history-of-the-microscope.org/ "Invention of the Microscope." Invention of the Microscope. N.p., n.d. Web. 19 Jan. 2013 http://www.andrewlost.com/microscope_inventors_k3.htm "Microscope." Wikipedia. Wikimedia Foundation, 15 Jan. 2013. Web. 19 Jan. 2013. http://en.wikipedia.org/wiki/Microscope 14th Century In Italy, grinding lenses and spectacles are made to aid in improving eyesight. 1590 Hans and Zacharias Janssen (lens grinders) construct the first microscope by putting two lenses in a tube. 1667 Robert Hooks uses the lens made in 1590 to observe many different objects and later publishes his findings in Micrographia 1675 By using the microscope and one lens, Anton Van Leeuwenhoek looks at blood insects. Anton was the first to describe cells/bacteria using a very small microscope. 18th Century "Time Line." Microscopes:. N.p., n.d. Web. 20 Jan. 2013. http://www.nobelprize.org/educational/physics/microscopes/timeline/index.html Many technical innovations led to microscopy which became more popular amongst scientist. An important discovery was that lenses which combined two different types of glasses could reduce the chromatic effect with its disturbing halos which resulted in differences in the refraction of light. (www.nobleprize.org) 1830 Joseph Jackson Lister comes up with a solution to fix spherical aberration by putting many weak lenses together (at different distances) gave off a good magnification without resulting in a blurry image. 1878 Emst Abbe makes a mathematical equation which relates to the resolution of the wavelength of the light. 1903 The ultra microscope was developed by Richard Zsigmondy. This was used to study objects below the wavelength. 1932 A phase-contrast microscope which studied colourless and biological materials was invented by Frits Zemike. 1938 The electron microscope was developed by Emst Ruska. Using the microscope to look at micro-organism In the biology/cells unit we used the microscope to examine the different pieces and organism

- For example, using piece of onion and determining what stage of mitosis it was undergoing Eyepiece/Ocular Lens
Arm
Base
Revolving Nosepiece
Lamp
Diaphragm
Conductor Lens
Stage
Stage Clips
Objectives (4x, 10x, 40x)
Coarse Adjustment Knob
Fine Adjustment Knob
Tube/Body Anton Van Leeuwenhoek was the first person to make and use a microscope around 1632-1723. Robert Hoeks published his findings in a Micrographia in the year 1665 which contained hand drawn images of what he had saw. Timeline of the Microscope
- Development - Present Day 1481-1490 - the (+) symbol and (-) symbol come to use
1590- Shakespeare's "Henry VI" 1590- First microscope was made 1771-1780- American Revolution
1781-1790- U.S. Independence 1481-1490 The (+) and (-) symbols were put in use 1590 Shakespeare's "Henry VI" was published 1590 The microscope was invented by a father and a son; Hans and Zacharias Janssen 1771-1780 The time of the American Revolution 1781-1790 United States of America gained their independence. 2013 (present day) Optics- Using microscopes to produce a large image The microscope can relate to optics because the microscope is made up of many lenses (in the objectives) which give us the magnifications (4x, 10x, 40x)

The parts of the microscope relate to optics more than anything Microscopes Have Improved Society by: it's a faster and easier way to find disease
research can be done based on the data (i.e. looking at how fast bacteria grows in food- cross contamination) Microscopes and Finding Cures to Disease and Disorders: by using the microscope we can find new ways of curing a disease/disorder
we can find the disease/disorder faster and help cure it faster- which can possible save a life http://www.microscopy.info/Organization/Index
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