Visualize ionizing radiation particle tracks Make radiation visible—safely and affordably—without the hassle of dry ice or liquid nitrogen. The Cloud Chamber uses a freezer-chilled cold plate to create a supersaturated alcohol vapor, so students can watch real particle tracks form right in front of them. It’s a powerful way to turn “invisible” ionizing radiation into something concrete and observable. After freezing the cold plate in a standard freezer, the chamber runs for about an hour, with clear radiation trails typically visible for around 20 minutes per setup. Add a small amount of ethanol and warm water, illuminate with the included bright LED, and students are ready to investigate alpha and beta interactions using the included low-activity source. Why Teachers Love the Cloud Chamber No cryogens needed: A freezer-cooled cold plate replaces dry ice or liquid nitrogen, making setup safer and far more convenient. Reliable, classroom-friendly runs: One freeze gives ~1 hour of cold-plate performance and ~20 minutes of track viewing per trial. Complete, ready-to-use kit: Includes lighting, chamber components, and a safe radiation source plus a detailed instruction guide.
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