https://tube.loping.net/videos/watch/5a1f2b66-9ff9-463c-a0eb-e10f145b7ce4 Today, we will take a look at the BIRI-2, a keychain indicator of ionizing radiation made in Ukraine in 1991. It is one of the earliest (and smallest) devices of this kind produced after Chernobyl and still works just fine. We conducted a little test-run and believe it can still be helpful in 2024. Of course, our cat decided to participate as well! 00:00 – Intro 00:37 – Unboxing and first look 02:01 – Principle of operation 02:57 – Test-run 05:05 – A scientific perspective 07:02 – Let’s look inside 08:46 – Outro 09:12 – Obligatory cat performance Explore the Chernobyl Zone with us: https://www.patreon.com/thechernobylfamily Support our projects: https://www.buymeacoffee.com/chernobylfamily Thu, 06 Aug 2026 05:45:59 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube.loping.net https://tube.loping.net/lazy-static/avatars/8a56e488-2120-4649-a417-badf5893657b.png https://tube.loping.net/videos/watch/5a1f2b66-9ff9-463c-a0eb-e10f145b7ce4 All rights reserved, unless otherwise specified in the terms specified at https://tube.loping.net/about and potential licenses granted by each content's rightholder.