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Can radio waves of THz frequencies (close to infrared) pass through rock/soil/metal/walls?
I was curious about something. Can radio waves of THz frequencies (close to infrared) pass through rock/soil/metal/walls?
Yes, THz radio waves can pass through various materials including rock, soil, metal, and walls. However, the amount of attenuation, or weakening of the signal, depends on the specific material and its thickness.