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I don’t build thermoelectric cloud chamber anymore like you see in the video in the introduction page (I started them in 2010).  Thermoelectric technology don’t permit to have big interaction surfaces and needs periodic maintenance which is time consuming. In the long term run, I’m not convinced about their reliability.

Now, I build cloud chamber cooled by a compressor and gas (like a fridge). After some research, I finally obtained good results regarding the quality of tracks. But It need more works to have something marketable.

A cloud chamber is a powerful pedagogical tool and a scientific experiment. For my point of view, a cloud chamber should : 

  • Display particles with a very good quality, regardless the external conditions (room temperature),
  • Permit the introduction of radioactive sources inside the chamber with sufficient space (minerals, gas, metals…),
  • Allow to use a strong magnetic field to observe the deflection of light particles (electrons, positons, slow muons).

 

cloud chamber compressor

 

 magnet

 

 

 

 

 

 

 

 

 

 

 

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For a machine, it should also be easily operated, require few maintenance and be reliable in a long term run. For this, there is no fancy electronics, only mechanical switches to control the system. This video show my last building. 

 

 If you are interested to get such cloud chamber, you can mail me below so I can book one when they will become available. Concerning the price, it will be in the 4500 € range.  My lab is situated near Avignon, France. 

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