Image Courtesy: ETH Zurich/Sgalaberna GroupResearchers in Switzerland have developed a novel camera-based particle detector capable of reconstructing the three-dimensional paths of nearly invisible particles inside a solid block of material. The proof-of-concept system could simplify future particle detectors while maintaining the high precision needed for experiments involving neutrinos, dark matter, and other elusive particles. Particle detectors typically rely on scintillators, materials that emit tiny flashes of light when struck by charged particles. To determine where those particles traveled, scientists usually divide the detector into millions of small segments connected by thousands of optical fibers. Researchers also integrated a Transformer-based neural network to analyze photon patterns and reconstruct particle interactions.