2min chapter

Twenty Thousand Hertz cover image

Mystery Hum

Twenty Thousand Hertz

CHAPTER

The Windsor Hum

Scientists have pin pointed the sound to an industrial island called zug island. A steel mill has been running on it since the early 19 hundreds, but the hum didn't start until two thousand 11. Adam told me that when you look at satellite photos, you can see that they've actually stripped things down. He's spent the last three years investigating this mystery.

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