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Is it true or false that early microscopes created by Leeuwenhoek were almost as strong as modern light microscopes?
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Modern microscopes that use lenses to bend what?
modern microscopes that use lenses to bend what the answer is images
What have modern microscopes made it possible to do?
The microscopes in our days make it easy to see the things that the naked eye can not. Light microscopes see objects down to about 500 nm. A nanometre = 1 metre/ 1000 000 000 Modern microscopes allow scientists to view individual cells but not see well the organelles in them. Electron microscopes are used to get details of organelles. An atom cannot be viewed through a microscope as it is about 1000 times less than the wavelength of visible light. An electron microscope can give the reflection of objects down to about a nanometre or slightly smaller. This is almost possible to view larger atoms.
Modern light microscopes can magnify up to how many times?
150 times
Why did it take 150 years for the cell theory to be developed.?
The more scientists worked on finding out more about the cell the more they learned about cells. Plus the microscopes became more advanced then the more they could see what was in the cell. (This is only a middle school answer!!!)
Why is it necessary to master the parts of the microscope and their function?
It would be more accurate to say that it is useful to master the parts of the microscope and their function, rather than necessary. Lots of people manage to live happy and successful lives without using microscopes. However, microscopes do allow us to see things that would otherwise be too small to see, and by seeing those things, we get a better understanding not only of the world of nature, but of our own bodies, which is essential to the modern practice of medicine. So, microscopes matter. Whether you personally want to use one is up to you.
What do modern microscopes bend?
Modern microscopes that uses lenses to bend LIGHT
Modern microscopes that use lenses to bend what?
modern microscopes that use lenses to bend what the answer is images
Why is leeuwenhoek famous?
Leeuwenhoek is known to have made over 500 "microscopes," of which fewer than ten have survived to the present day. In basic design, probably all of Leeuwenhoek's instruments -- certainly all the ones that are known -- were simply powerful magnifying glasses, not compound microscopes of the type used today. A drawing of one of Leeuwenhoek's "microscopes" is shown at the left. Compared to modern microscopes, it is an extremely simple device, using only one lens, mounted in a tiny hole in the brass plate that makes up the body of the instrument. The specimen was mounted on the sharp point that sticks up in front of the lens, and its position and focus could be adjusted by turning the two screws. The entire instrument was only 3-4 inches long, and had to be held up close to the eye; it required good lighting and great patience to use. Compound microscopes (that is, microscopes using more than one lens) had been invented around 1595, nearly forty years before Leeuwenhoek was born. Several of Leeuwenhoek's predecessors and contemporaries, notably Robert Hooke in England and Jan Swammerdam in the Netherlands, had built compound microscopes and were making important discoveries with them. These were much more similar to the microscopes in use today. Thus, although Leeuwenhoek is sometimes called "the inventor of the microscope," he was no such thing. However, because of various technical difficulties in building them, early compound microscopes were not practical for magnifying objects more than about twenty or thirty times natural size. Leeuwenhoek's skill at grinding lenses, together with his naturally acute eyesight and great care in adjusting the lighting where he worked, enabled him to build microscopes that magnified over 200 times, with clearer and brighter images than any of his colleagues could achieve. What further distinguished him was his curiosity to observe almost anything that could be placed under his lenses, and his care in describing what he saw. Although he himself could not draw well, he hired an illustrator to prepare drawings of the things he saw, to accompany his written descriptions. Most of his descriptions of microorganisms are instantly recognizable. In 1673, Leeuwenhoek began writing letters to the newly-formed Royal Society of London, describing what he had seen with his microscopes -- his first letter contained some observations on the stings of bees. For the next fifty years he corresponded with the Royal Society; his letters, written in Dutch, were translated into English or Latin and printed in the Philosophical Transactions of the Royal Society, and often reprinted separately. To give some of the flavor of his discoveries, we present extracts from his observations, together with modern pictures of the organisms that Leeuwenhoek saw.http://www.ucmp.berkeley.edu/history/leeuwenhoek.html
What magnification can modern microscopes get to?
500
Who is considered father of the modern microscope?
Anton van leeuwenhoek
What have modern microscopes made it possible to do?
The microscopes in our days make it easy to see the things that the naked eye can not. Light microscopes see objects down to about 500 nm. A nanometre = 1 metre/ 1000 000 000 Modern microscopes allow scientists to view individual cells but not see well the organelles in them. Electron microscopes are used to get details of organelles. An atom cannot be viewed through a microscope as it is about 1000 times less than the wavelength of visible light. An electron microscope can give the reflection of objects down to about a nanometre or slightly smaller. This is almost possible to view larger atoms.
Biologists who employed the microscope in their work?
Anton van Leeuwenhoek invented microscopy, and made the first modern microscopes. If you are trying to ask for the names of present-day biologists who employ the microscope in their work, the answer is "all of them." Microscopy is so important to biology that all biologists have microscopes and use them frequently.
Which scientist used a microscope to view ''animalcules''?
Antony van Leeuwenhoek (1632-1723) discovered bacteria, free-living and parasitic microscopic protists, sperm cells, blood cells, microscopic nematodes and rotifers, and much more with the microscopes he made. He referred to these organisms as animalcules. His research, which was widely circulated, opened up an entire world of microscopic life to the awareness of scientists.
Modern light microscopes can magnify up to how many times?
150 times
What would be a good sentence with the word magnification?
The magnification power of modern microscopes is amazing.
What kind of protist did leeuwenhoek discover?
Leeuwenhoek's main discoveries are:the infusoria (protists in modern zoological classification), in 1674the bacteria, (e.g. large Selenomonads from the human mouth), in 1676the spermatozoa in 1677. Van Leeuwenhoek had troubles with Dutch theologists about his practice.the banded pattern of muscular fibers, in 1682
When was Get Modern created?
Get Modern was created in 1979-08.
