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the first telescope ever made
The first telescope ever made was made by Galileo Galilei -
In 1611, Johannes Kepler described how a telescope could be made with a convex objective lens and a convex eyepiece lens
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The first detailed account of the interior construction of living tissue based on the use of a microscope did not appear until 1644
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1655 astronomers such as Christiaan Huygens were building powerful but unwieldy Keplerian telescopes with compound eyepieces.
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Isaac Newton is credited with building the first "practical" reflector in 1668
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1670s that the microscope was used extensively for research in Italy, The Netherlands and England.
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On 9 October 1676, Van Leeuwenhoek reported the discovery of micro-organisms.
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In 1893 August Köhler developed a key technique for sample illumination
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In the early 1900s a significant alternative to light microscopy was developed
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In 1965 the first commercial scanning electron microscope was developed by Professor Sir Charles Oatley and his postgraduate student Gary Stewart and marketed by the Cambridge Instrument Company as the "Stereoscan".
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t was not until 1978 when Thomas and Christoph Cremer developed the first practical confocal laser scanning microscope and the technique rapidly gained popularity through the 1980s.
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The 1980s saw the development of the first scanning probe microscopes.
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The first was the scanning tunneling microscope in 1981,
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scientists are using microscopes everyday