A1258150172FGTXI

1
Simple Microscope (1 lens)
20 magnification
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Antonie Von Leeuwenhoek
first to see living cells
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Leeuwenhoeks Simple Microscope
(1 lens)
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Leeuwenhoek looked at
red blood cells
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He also looked at bacteria
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Robert Hooke 1st Compound Scope
first to see cells (but they were dead)
7
Hookes Compound Microscope
(2 lenses)
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Drawing of Cork Cells by Hooke
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Snowflakes by Hooke
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Fly drawing by Hooke
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Light Microscope
single eyepiece
two eyepieces (binocular)
1,500 magnification
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Confocal Light Microscope
use laser beams to produce high resolution and
3-D images
1,500x
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Scanning Probe Microscope

• - they scan the surface with high intensity light
  from a probe
• - magnify 1,000,000,000x (can see individual
  atoms)

14
Scanning Electron Microscopes
(SEM)
60,000 magnification
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Scanning Tunneling Microscope
(STM)
1,000,000 magnification
16
Transmission Electron Microscope (TEM)
2,000,000 magnification
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The latest in transmission electron microscopes.
A woman standing inside the microscope.
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Picture Gallery
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transmission electron microscope
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SEM
21
SEM
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SEM
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SEM
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SEM
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SEM
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SEM
27
atoms in a crystal
Scanning Tunneling Microscope
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Scanning Probe Microscope
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The End