Depth of fields in Physics, Cosmology etc

In summary, the conversation discusses the expectation for IT professionals to be experts in various areas of IT, even if it is not their specific field of expertise. The question is then raised if this also applies to other fields, such as science, and the potential danger of increasing specialization. The conversation ends with a quote about the importance of being able to connect all the dots in a field.
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As someone trained in IT, having spent 15+ years as a network consultant, it sometimes surprises me that people expect you to be an expert in other areas of IT. I know networks and subnets, protocols, infrastructure, network security, data packets, switching, wireless and related things - that was my expertise (until I changed direction a few years ago). But people expect an IT person to also be expert in MS Office, Linux, Multimedia, Mac, telephony, databases, computer circuitry, business packages, etc. And while I know a lot about those things, they are not my field of expertise.

Is it the same within specific fields of science? Is a cosmologist more expert in one area of cosmology than another area of cosmology? I imagine there are physicist with expertise in different areas. Do biologists often find themselves explaining that the area of inquiry is not in their field of expertise?
 
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  • #2
Old thread but worthwhile question that I have also wondered. Is there a danger in the increasing specialization of science? When we have scientists working so narrowly in a field, who is there to connect all the dots?
 
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The degree of labor specialization is determined by the level of demand - A. Smith
 
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phd081508s.gif

http://www.phdcomics.com/comics/archive.php?comicid=1056
 
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Greg Bernhardt said:
but worthwhile question
When no one can understand you, you have ceased to be relevant.
 
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1. What is the depth of field in physics?

The depth of field in physics refers to the range of distances within which objects appear in focus in an image or through a lens. It is influenced by factors such as aperture size, focal length, and the distance between the lens and the subject.

2. How does the depth of field affect the clarity of an image?

The depth of field can greatly impact the clarity of an image. A shallow depth of field, where only a small portion of the image is in focus, can create a sense of depth and draw attention to a specific subject. On the other hand, a larger depth of field can result in a sharper and more detailed image.

3. Is depth of field the same in all types of photography?

No, the depth of field can vary depending on the type of photography and the equipment used. For example, macro photography may have a very shallow depth of field due to the close distance between the lens and the subject, while landscape photography may have a larger depth of field to capture the entire scene in focus.

4. How does depth of field relate to the concept of focus?

Depth of field is closely related to the concept of focus in photography. To achieve a desired depth of field, the photographer must adjust the focus of the lens to ensure the subject is in focus within the desired range of distances.

5. How does the depth of field in cosmology affect our understanding of the universe?

In cosmology, the concept of depth of field refers to the observable distance of the universe. This is limited by the speed of light and the age of the universe, and it affects our understanding of the size and age of the universe. A larger depth of field allows us to observe more distant objects and expand our understanding of the universe.

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