☢️👁️ Hardware for a hackable DIY gamma-ray spectrometer using a popular NaI(Tl) scintillator, SiPM and a Raspberry Pi Pico.

A nurse standing one meter away from the machines while the x-rays were performed would be exposed to about double the amount of background radiation, or normal daily exposure to radiation.

However, the traditional neural network-based methods have encountered some trouble in extracting spatial features. Graph neural network (GNN) has demonstrated the ability to effectively capture the ...