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Published byDerek Cannon Modified over 9 years ago
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Timeline of Microscope Technology
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Middle Ages - Castle Battles? - Source of glass? - Uses for glass? Timeline of microscope technology
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Simple Microscope
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The Physics of a Glass Lens
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Compound Microscope
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1590 - Dutch spectacle-makers,Hans Janssen and his son Zacharias, were said, by later writers in the 1600’s, to have invented a compound microscope. Timeline of microscope technology ( From Wikipedia ) Zacharias Hans
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1590 - Dutch spectacle-makers,Hans Janssen and his son Zacharias, were said, by later writers in the 1600’s, to have invented a compound microscope. Timeline of microscope technology ( From Wikipedia ) Zacharias
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1609 - Galileo Galilei develops an occhiolino or compound microscope with a convex and a concave lens. Timeline of microscope technology ( From Wikipedia )
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1619 - Cornelius Drebbel (1572 - 1633) presents, in London, a compound microscope with two convex lenses. 1625 - Giovanni Faber of Bamberg (1574 - 1629) coins the word “microscope” by analogy with “telescope”.
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1665 - Robert Hooke publishes his Micrographia, a collection of biological micrographs. Timeline of microscope technology ( From Wikipedia )
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1665 - Robert Hooke - He also coins the word “cell” when he uses his microscope to see ____?____ in cork bark. Timeline of microscope technology ( From Wikipedia )
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1665 - Robert Hooke - He also coins the word “cell” when he uses his microscope to see little rooms in cork bark. Timeline of microscope technology ( From Wikipedia )
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1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens. Timeline of microscope technology ( From Wikipedia )
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1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens. Timeline of microscope technology ( From Wikipedia ) - Almost 500 scopes
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1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens. Timeline of microscope technology ( From Wikipedia ) - Almost 500 scopes - All were “simple”
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1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens. Timeline of microscope technology ( From Wikipedia ) - Almost 500 scopes - All were “simple” - Only 9 have survived
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1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens. Timeline of microscope technology ( From Wikipedia ) - Almost 500 scopes - All were “simple” - Only 9 have survived - Up to 480 X
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1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens. Timeline of microscope technology ( From Wikipedia ) - Almost 500 scopes - All were “simple” - Only 9 have survived - Up to 480 X - Made of silver, gold and copper
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1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens. Timeline of microscope technology ( From Wikipedia ) - Almost 500 scopes - All were “simple” - Only 9 have survived - Up to 480 X - Made of silver, gold and copper - Resolution: <1 / 1000 mm - Focal Length: <1 mm
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1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens. Timeline of microscope technology ( From Wikipedia ) First To See Sperm Cells
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1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens. Timeline of microscope technology ( From Wikipedia ) First to see Bacteria and to describe “Wee beasties cavorting about” in a glass of drinking water.
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1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens. Question... What earned him his place in the history books as the... “Father of Modern Microscopy”? Timeline of microscope technology ( From Wikipedia )
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1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens. Timeline of microscope technology ( From Wikipedia ) Answer... It was his is extensive collection of special stains that allowed him to see otherwise invisible, transparent, organelles.
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1931 - Ernst Ruska (Germany) builds 1st Transmission Electron Microscope (TEM) Timeline of microscope technology ( From Wikipedia )
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1931 - Ernst Ruska (Germany) builds 1st Transmission Electron Microscope (TEM) 1937 - Manfred von Ardenne, (Germany) builds the 1st Scanning Electron Microscope (SEM). Timeline of microscope technology ( From Wikipedia )
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1931 - Ernst Ruska (Germany) builds 1st Transmission Electron Microscope (TEM) 1937 - Manfred von Ardenne, (Germany) builds the 1st Scanning Electron Microscope (SEM). 1981 - Gerd Binnig and Heinrich Rohrer develop the Scanning Tunneling Microscope (STM). Timeline of microscope technology ( From Wikipedia )
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What ARE they?
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Plant Pollen Grains
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What scope took this photo?
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Scanning Electron (SEM)
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“Sputter” prepped for a SEM photo - gold layer is one atom thick
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SEM photomicrograph of a ?.
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How about this one?
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A fruit fly eye !
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SEM photomicrograph of ?.
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Erythrocytes
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What type of E. M. is this?
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Transmission E. M. ( TEM )
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TEM photomicrograph of a ?.
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Oops !!! I mean…
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TEM photomicrograph of ?.
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And this SEM is of ?.
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Scanning Tunneling M. (STM)
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STM photomicrograph of ?.
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Gold Atoms 1 Layer Thick
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Remember the Spider?
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Sweet Dreams !!!
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