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Every time you send a text or make a call, your words travel at the speed of light—but how? Most people don’t realize that radio waves, infrared signals, and fiber optic cables are all working together to make instant communication possible. Dr. B pulls back the curtain on the electromagnetic spectrum, explaining how radio waves carry your messages across cities, countries, and even the world. Before your next text, take a second to appreciate the invisible highway of light making it all happen. 🎬 Inside This Episode: 📡 0:00-0:51 How your texts and calls travel through invisible waves ⚡ 0:51-1:40 The electromagnetic spectrum—light beyond what we can see 📻 1:40-2:23 Why your phone works like an old-school radio Share your thoughts in the comments! Facilitate your own thought-provoking conversations using this FREE discussion guide developed by COSI Scientists and Educators: https://cosi.org/downloads/drbin3/DRB... #ElectromagneticSpectrum #RadioWaves #SpeedOfLight #HowPhonesWork #TextMessaging #DrBin3 #COSI #AlphabetRockers Animation support from @2TallAnimation Music by @alphabetrockers Kaitlin McGaw (Letter Kay) and Tommy Soulati Shepherd (Soulati Slaps), Gennessee Lewis (GENSTAR MUSIC) Additional production: Kevin McCann and Geoff McCann (Elevator Music Worldwide). Worldwide Representation: Sozo Impact, Inc