“Hear What You’re Not Supposed To Hear | The AM Radio Trick” is a YouTube video (uploaded December 3, 2025) in the survival/prepper niche, framed around the idea that when the grid goes down, an AM radio becomes a critical information source. The video’s most-upvoted comment (943 upvotes, from @theseriousprepper4372) describes the “trick” itself: tune an AM radio
