Why does the author mention “a telescope” as part of the discussion of microscopes? A. To show how microscopes and telescopes are different B. To emphasize the importance of magnification in all optical devices C. To explain how the development of the microscope depended on the invention of...
Light isthe main source of energy for all living organisms. Plants, main sustainers of life, are crucial in this conversion process and need light for photosynthesis that enables them to make their own food and food for others. And, perhaps more importantly, photosynthesis produces oxygen too!
Bright-field microscopes are one of the most common types of microscope, and they are usually parfocal. Bright-field microscopes use a light that located under the specimen, and this light is directed upward towards the specimen as a person looks down through the microscope....
When a light beam passes from an optically denser medium to an optically less dense medium(and vice versa),the direction and the speed of light changes. My question is why light must bend when it goes from one medium to another. Say,it goes from air to water. Water is optically denser...
to the microscopes you fuckers would win we're just saying that you're fast you get there first you lapped home would be flapping in the wind I get there like three minutes later all cramped up with you are you looking at bacteria no you go fresh here's gopher please much does a Bul...
1670s: Antonie van Leeuwenhoek, a Dutch scientist, begins his work developing better microscopes that allow scientists to see cells and the organelles they contain more clearly. 1839: German scientists Matthias Schleiden and Theodor Schwann describe the first two parts of the cell theory.Schleiden st...
The availability of new preparative equipment and expertise on plant virus purification occurred in the same period when three different groups in Berlin constructed distinct types of analytically useful electron microscopes, after the initial invention of such an instrument with, however, only 16-fold ...
2.Why does the author mention "a telescope" as part of the discussion of microscopes? A. To show how microscopes and telescopes are different. B. To emphasize the importance of magnification in all optical devices. C. To explain how the development of the microscope depended on the invention...
Why are light touch receptors found at the skin's surface? Why do scientists use microscopes? If there is a blind spot in each eye, why don't we perceive holes when we look at the environment? Why is vitreous humor important to forensic toxicology? How do impurities affect refractive ind...
During the 1940’ s, electron microscopes routinely achieved resolution better than that possible with a visible-light microscope, while the performance of X-ray microscopes resisted improvement. In recent years, however, interest in X-ray microscopes has revived, largely because of advances such as...