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What Hans and zacharias janssen discovered?
Hans and Zacharias Janssen invented the first compound microscope.They did not discover it.
What was Hans and Zacharias Janssen's contribution to science?
Combined too convex lenses within a tube, thus constructing the forerunner of the compound microscope
What did hans janssen do for science?
him and his son helped invent the compound microscope by putting two lenses together warning they did not invent the microscope but did invent the compound microscope
How was Zacharias and Hans Janssens work affected by earlier scientists?
by a frog
Hans and zacharias jansen?
II-Courtesy jules advincula biology :P
What Hans and zacharias janssen discovered?
Hans and Zacharias Janssen invented the first compound microscope.They did not discover it.
What year did Hans and Zacharias Janssen's contribution to the cell theory occur?
Hans and Zacharias Janssen invented the compound microscope in 1595.
When did zacharias janssen contribute to the cell theory?
Zacharias Janssen did not contribute to the cell theory. He is credited with inventing the first compound microscope in the late 16th century with his father, Hans Janssen. This invention was crucial for the development of cell theory by later scientists.
What are the contributions of Hans and Zacharias Janssen?
Hans and Zacharias Janssen are credited with inventing the first compound microscope in the late 16th century. Their creation revolutionized the field of optics and laid the foundation for modern microscopy.
Where was Hans and zacharias jenssen born?
Zacharias Janssen was born In 1580.
Who was zacharias janssen brother who help to discover the microscope?
hans janssen is the brother of zacchariah janssen
How are Hans and Zacharias Janssen related?
they were father and son
When did Zacharias janssen and Hans discover cell theory?
in manila
Who invented the lens grinding machine?
Hans and Zacharias Janssen
What happened in 1590?
zacharias and Hans janssen invented the microscope
When was Hans janssen born?
Hans Janssen was born on November 24, 1590, in the Netherlands. He was a skilled optician and invented the compound microscope with his son Zacharias Janssen in the late 16th century. Their invention revolutionized the field of microscopy and laid the foundation for modern optical instruments.
Who discover microscope?
The compound microscope was invented by Zacharias Janssen in the late 16th century, although others like Hans and Zacharias Janssen, Hans Lippershey, and Hans Martens claim to have contributed to its development. The electron microscope was later invented in the 20th century by Ernst Ruska and Max Knoll.
