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Your car's rear window may be a radio antenna
HERE’S THE INTERESTING PART
The tall metal whips and weird shark fins are no longer strictly necessary for AM/FM radio. Automakers realized they could just embed thin metallic antenna wires directly into the rear windshield glass alongside the defroster lines. Your entire back window is secretly one giant radio receiver trying to pick up the local top-40 station.
One discovery leads to another.
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