The About using electronic stuff blog has been fascinated by the spark chamber at the CERN exhibition nearly 20 years ago:
To detect these muons, the common practice is to use a scintillating material and a very sensitive light sensor. High-performance sensors, such as photomultiplier tubes, are very expensive and complicated to operate. However, there are now silicon versions of photomultipliers (SiPMs), which are at the heart of many projects involving scintillators for gamma-ray spectrometers or muon detectors.
My idea is that by combining small muon detectors, we might be able to see the trajectories of the particle showers caused by cosmic rays, similar to how a spark chamber works.
See how a homemade light scintillator is created in the post here.
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