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who invented Microscope????
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Answer:
Zacharias Janssen
Every major field of science has benefited from the use of some form of microscope, an invention that dates back to the late 16th century and a modest Dutch eyeglass maker named Zacharias Janssen.
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Timeline of the Microscope --
- 14th century: spectacles first made in Italy
- 1590: Two Dutch spectacle-makers and father-and-son team, Hans and Zacharias Janssen, create the first microscope.
- 1667: Robert Hooke's famous "Micrographia" is published, which outlines Hooke's various studies using the microscope.
- 1675: Enter Anton van Leeuwenhoek, who used a microscope with one lens to observe insects and other specimen. Leeuwenhoek was the first to observe bacteria.
- 18th century: As technology improved, microscopy became more popular among scientists. Part of this was due to the discovery that combining two types of glass reduced the chromatic effect.
- 1830: Joseph Jackson Lister discovers that using weak lenses together at various distances provided clear magnification.
- 1878: A mathematical theory linking resolution to light wavelength is invented by Ernst Abbe.
- 1903: Richard Zsigmondy invents the ultramicroscope, which allows for observation of specimens below the wavelength of light.
- 1932: Transparent biological materials are studied for the first time using Frits Xernike's invention of the phase-contrast microscope.
- 1938: Just six years after the invention of the phase contrast microscope comes the electron microscope, developed by Ernst Ruska, who realized that using electrons in microscopy enhanced resolution.
- 1981: 3-D specimen images possible with the invention of the scanning tunneling microscope by Gerd Binnig and Heinrich Rohrer.
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