Spinthariscope
A spinthariscope (/spɪnˈθærɪskoʊp/) is a device for observing individual nuclear disintegrations caused by the interaction of ionizing radiation with a phosphor (see radioluminescence) or scintillator.
A spinthariscope (/spɪnˈθærɪskoʊp/) is a device for observing individual nuclear disintegrations caused by the interaction of ionizing radiation with a phosphor (see radioluminescence) or scintillator.