TED-Ed: What happens if you don't put your phone in airplane mode? | Lindsay DeMarchi

The video explores the role of radio waves in communication, highlighting how they carry information between devices like cell phones and GPS systems. It explains the mechanics of cell phone signals and the challenges posed by interference, especially from devices not in airplane mode. The video also discusses the impact of radio waves on astronomy, emphasizing the need for protected wavelengths to study space effectively.

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