timeline of microscope technology
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Timeline of Microscope Technology. Timeline of microscope technology. Middle Ages - Castle Battles? - Source of glass? - Uses for glass?. Simple Microscope. The Physics of a Glass Lens. The Physics of a Glass Lens. The Physics of a Glass Lens. - PowerPoint PPT PresentationTRANSCRIPT
Timeline of Microscope Technology
Middle Ages - Castle Battles? - Source of glass? - Uses for glass?
Timeline of microscope technology
Simple Microscope
The Physics of a Glass Lens
The Physics of a Glass Lens
The Physics of a Glass Lens
The Physics of a Glass Lens
The Physics of a Glass Lens
The Physics of a Glass Lens
The Physics of a Glass Lens
Compound Microscope
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 )
ZachariasHans
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
1609 - Galileo Galilei develops an occhiolino or compound microscope with a convex and a concave lens.
Timeline of microscope technology( From Wikipedia )
Timeline of microscope technology( From Wikipedia )
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”.
1665 - Robert Hookepublishes his Micrographia, a collection of biological micrographs.
Timeline of microscope technology( From Wikipedia )
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 )
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 )
1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens.
Timeline of microscope technology( From Wikipedia )
1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens.
Timeline of microscope technology( From Wikipedia )
- Almost 500 scopes
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”
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
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
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
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
1674 - Anton van Leeuwenhoek improves on a simple microscope for viewing biological specimens.
Timeline of microscope technology( From Wikipedia )
FirstToSeeSpermCells
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 aglass of drinking water.
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 )
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.
1931 - Ernst Ruska (Germany) builds 1st Transmission Electron Microscope (TEM)
Timeline of microscope technology( From Wikipedia )
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 )
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 )
What ARE they?
Plant Pollen Grains
What scope took this photo?
Scanning Electron (SEM)
“Sputter” prepped for a SEM photo- gold layer is one atom thick
SEM photomicrograph of a ? .
How about this one?
A fruit fly eye !
SEM photomicrograph of ? .
Erythrocytes
What type of E. M.
is this?
Transmission E. M.
( TEM )
TEM photomicrograph of a ? .
Oops !!! I mean…
TEM photomicrograph of ? .
And this SEM is of ? .
Scanning Tunneling M. (STM)
STM photomicrograph of ? .
Gold Atoms 1 Layer Thick
Remember the Spider?
Sweet Dreams !!!