This safe and affordable Cloud Chamber requires no dry ice or liquid nitrogen. Instead, the apparatus uses a specially designed cold plate that is capable of retaining a low temperature for about one hour by freezing the plate in a standard freezer. Tracks of radiation can be observed for about 20 minutes (until ethanol is vaporized) in a room at 25℃ (77°F). The cold plate can be used repeatedly by freezing it again. The only consumables required to observe radiation tracks are ethanol (99.5%) and hot water (~50° C).

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About Arbor Scientific

For more than three and a half decades, we’ve been committed to supporting science educators with meaningful and engaging lab demonstrations and hands-on experiences that not only inspire students but educators as well. We understand school budgets are limited, so we only provide products that offer value, without sacrificing quality. That’s our promise.

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