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Ark of The Covenant - explained
Hold on to your hat! Here comes one of the most, incredible stories of ancient technology, which ranks alongside the use of atomic forces and the 'Lost Chord'. Needless to say the editors of Scientific American who denied the Wright brothers had...
Evolution and Exorcisms
EVOLUTION: More surprising to me as I consider where my intellectual head-space has been on this issue, which is central to theological ideal; is the fact that I have become more of a creationist. Skeptics may say that God doesn't exist and I am...
Exploring the Universe with Dr. Norio Kaifu
During 1998 we were fortunate to attend a dinner hosted by the Japanese Chamber of Commerce and Industry of Hawaii, featuring a lecture by Dr. Norio Kaifu. Professor Kaifu is the director of the Subaru Telescope, National Astronomical Observatory of...
How the Meter Came To Be
One can know where one is in the world by the systems of
measurement that specific place uses. There is the English
system used by the United States, which uses pounds and feet for
measurement, and then there is the metric system which is...
Science changes, shouldn't our theology?
Science changes, shouldn’t our faith? Terry Dashner……………….Faith Fellowship Church PO Box 1586 Broken Arrow, OK 74013 Since basic science is ever-changing, shouldn’t our theology change with it? No. Our theology should remain constant, even when...
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The History of the Microscope
The first microscope was created hundreds of years ago. In the passing centuries, microscopes evolved into powerful, precise tools that allow scientists to view tiny objects at a level of detail that seems unreal. There are a wide array of available microscopes, from the compound microscopes commonly found in high school science classrooms to powerful scanning tunneling and electron microscopes used by Nobel Prize winners.
Most historians agree that two Dutchman made the first microscope in 1590. Zaccharias Janssen and his son Hans were two eyeglass makers who experimented with putting multiple lenses together in a tube. They found that objects under the tube were greatly enlarged. Over the next hundred years, scientists Robert Hooke, Anton van Leeuwenhoek, and others further refined the work of the Janssens and used microscopes to examine insects, blood, and other items. Scientists have continued microscopes into the present day. Now, microscopes can show tiny particles that are unseen by the naked eye in extremely exact detail.
Microscopes operate on several principles. Most common microscopes have two different lenses. Viewers look through the ocular lens, also known as the eyepiece. There is another lens, called the objective lens at the end of the ocular lens. The objective
lens is a sphere shaped lens located above the stage of the microscope. People place the object they want to examine on the stage and can adjust the lenses to bring the object into focus. Most microscopes have an adjustment knob for coarse focus and one for fine focus. Many microscopes have several objective lenses with different strengths for users to choose from. The lenses are arranged on a circular platform that can be rotated to have the different lenses put into place under the ocular lens. Microscopes also need a light source of some kind underneath the stage. Most commercial microscopes have a light bulb, but many high-end microscopes use lasers or electrons for illumination.
Microscopes have been used to make countless vital scientific discoveries. They are invaluable tools used in a variety of scientific fields that enable researchers to make discoveries that would be impossible with the naked eye.
About the Author
Microscopes Info provides detailed information about electron, compound, stereo, digital, video, and scanning tunneling microscopes, as well as an explanation of the different parts of a microscope, and more. Microscopes Info is affiliated with Business Plans by Growthink.
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| Science/AAAS | Scientific research, news and career information |
| International weekly science journal, published by the American Association for the Advancement of Science (AAAS). |
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| Science/AAAS | Table of Contents: 1 December 2006; 314 (5804) |
| This Week in Science: Editor summaries of this week's papers. Science 1 December 2006: 1349. ... 2006 American Association for the Advancement of Science. ... |
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| Science - Wikipedia, the free encyclopedia |
| Sciences versus Science: the plural of the term is often used but is difficult to ... Science education is also a very vibrant field of study and research. ... |
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| Popular Science |
| Monthly magazine about current science and technology. |
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| Science/AAAS | ScienceNOW: The Latest News Headlines from the ... |
| AAAS web magazine. Some free sample stories, subscription required for full text. |
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| Cool Science for Curious Kids |
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| Welcome to the Science Museum |
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