Video: Atomic Journeys Cannikin test (Large atomic bomb in Alaska) – My Comments

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[The scale of these American Atomic bomb tests are fascinating. Underground tests were especially complicated but very clever. They automatically seal so that no radioactivity can get out. It's a brilliant engineering solution thought up by Whites of course! Jan]

Here’s the video: https://www.youtube.com/watch?v=Dew6htIWgzU