Uncovering the History of Photographic Plates in Radioactivity Experiments

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Discussion Overview

The discussion revolves around the use of photographic plates in radioactivity experiments, exploring their definition, historical context, and significance in scientific research. Participants inquire about specific experiments and the rationale behind the choice of photographic plates over other technologies.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants seek clarification on what photographic plates are and their role in radioactivity experiments.
  • One participant mentions that photographic plates are glass sheets with a light-sensitive emulsion that becomes opaque upon exposure to light.
  • There is a request for examples of specific radioactivity experiments that utilized photographic plates and the time periods in which they were conducted.
  • Another participant notes that Henry Becquerel used photographic plates in his discovery of radioactivity, prompting questions about the results of that experiment.
  • Some participants express interest in alternative technologies to photographic plates that could have been used in radioactivity experiments.
  • One participant references a Google search for information on photographic plates, suggesting that there is a wealth of historical context available online.

Areas of Agreement / Disagreement

Participants generally agree on the need for more information regarding photographic plates and their historical use in radioactivity experiments. However, there is no consensus on specific examples or alternative technologies, and the discussion remains open-ended.

Contextual Notes

Participants have not provided specific details about the limitations of their inquiries or the definitions of terms used, which may affect the clarity of the discussion.

Who May Find This Useful

This discussion may be of interest to individuals studying the history of scientific instruments, the development of radioactivity research, or those curious about the evolution of experimental techniques in physics.

123kid
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what are photographic plates ? why are they used radioactivity experiments?
 
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123kid said:
what are photographic plates ?

What did you find when you did a Google search for "photographic plate" and what don't you understand about it?
 
google explain it in terms of photography, a film used in that for imaging. i want to know why in every experiment of radioactivity these plates are taken.
 
123kid said:
in every experiment of radioactivity

Which experiments are these (at least some examples) and when (approximately) were they performed? What other technologies are you thinking of, as alternatives to photographic plates?

Scientists choose technologies for their experiments based on what is available at the time, and their advantages and disadvantages.
 
jtbell said:
Which experiments are these (at least some examples) and when (approximately) were they performed? What other technologies are you thinking of, as alternatives to photographic plates?
"In the discovery of radioactivity. Henry becquerel placed some uranium with photographic plates"
 
123kid said:
"In the discovery of radioactivity. Henry becquerel placed some uranium with photographic plates"

and what was the result ?

I have done this experiment myself in years gone by

Dave
 
123kid said:
what are photographic plates ? why are they used radioactivity experiments?

Photographic plates are ancient artifacts, typically consisting of glass sheets covered with a light-sensitive emulsion; upon exposure to light, the emulsion becomes opaque.
 
123kid said:
what are photographic plates ? why are they used radioactivity experiments?
I tried Google (which is always a good idea)_. This link came up in the top few of a very long result list for "Radiation Detectors History". Read it and you can be an 'expert' on the history of such things. :smile:
 

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