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Is there a commercially available device that can produce a stream of radioactive atoms giving off gamma rays (to be used in a science experiment)? - Quora
![Projector gamma curve selection. (A) The measured range of gamma curves... | Download Scientific Diagram Projector gamma curve selection. (A) The measured range of gamma curves... | Download Scientific Diagram](https://www.researchgate.net/publication/365843368/figure/fig2/AS:11431281110267958@1672431098593/Projector-gamma-curve-selection-A-The-measured-range-of-gamma-curves-contour.png)