Stepped into the elevator and boom—your TikTok stream freezes, texts won’t send, and it feels like you’ve entered a digital black hole. Ever wonder why?​Ever noticed your phone turning into a useless brick as soon as the elevator doors close? It’s all about physics and building materials. Elevators are basically metal boxes, and metals like steel act as a Faraday cage. Imagine your elevator as a superhero shield that blocks out electromagnetic waves—including the ones carrying your precious cell signal.​Cell towers send signals as radio waves, which need to reach your phone’s antenna. But when they hit the elevator’s metal walls, they either bounce off or get absorbed instead of passing through. Some modern buildings even have extra layers like copper mesh in walls to boost signal inside—but ironically, that traps signals in the elevator even more!​The next time you’re stuck mid-zoom call in an elevator, you’ll know it’s not just bad luck. Now, I’m curious—have you ever had a crazy “elevator no-signal” moment? Drop your stories in the comments!