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Mike Sowden
mikeachim.bsky.social
did:plc:gwtpu6aq6qoa6nwhpfzvazrh
OK, this is wild.
In September 2023, geophysicists across the world started monitoring a very odd signal coming from the ground under them.
It was picked up in the Arctic. And Antarctica. It was detected everywhere, every 90 seconds, as regular as a metronome, for *nine days*.
What the HELL?
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2025-05-12T15:20:08.549Z