Радиация из пустоты: Смертельное дыхание Пашийской пещеры

An experiment in the depths of the Pashiyskaya Cave: measuring the activity of radioactive radon gas in an unusual way. I use a filter mask to collect the daughter products of decay. The video shows before and after dose rate measurements, spectrometric analysis of the mask, and calculation of the volumetric activity of radon in the air of the cave. Full video https://boosty.to/strannik-perm/posts... Our Telegram https://t.me/perekrestoc All radiation studies of the Pashiyskaya Cave    • Радиация Пашийской пещеры   Even more videos and exclusive material https://boosty.to/strannik-perm Channel Community    / @strannik-perm   Support the channel: Bank card 4377 7237 6137 0422 http://www.donationalerts.ru/r/perekr... https://boosty.to/strannik-perm/donate https://yoomoney.ru/to/41001209209624 Hiking equipment https://vk.com/forest_tramp59 Channel logo: Artem Chernyak https://vk.com/promo_bit You will learn about unusual and little-known places, as well as historical facts that will support the author's stories. There is also a section dedicated to various survival and safety equipment. The author also offers his services as a guide for travelers in the Perm Krai, as well as underwater exploration and sunken search services. If you find this channel interesting and want to support the author, you can donate through various electronic payment systems, subscribe to the channel, and tell your friends about it. The channel also has a VKontakte group https://vk.com/club135506155 and a blog http://fadeevandrey.blogspot.ru/, which you can also visit. #crossroadsofsevenroads #wandererperm #crossroadsofsevenroadswanderer #stalk