This content was posted on 20 Jul 22 by The Long Now Foundation on Facebook Page
A mile below the surface of Lead, South Dakota, scientists are conducting a series of …
A mile below the surface of Lead, South Dakota, scientists are conducting a series of experiments involving a “time projection chamber” that hope to uncover evidence for the ever-elusive dark matter. https://www.theguardian.com/science/2022/jul/07/dark-matter-science-mine-south-dakota
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