And sailing stones, https://en.wikipedia.org/wiki/Sailing_stones and toneballs h... | Hacker News

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dekhn 24 days ago | parent | context | favorite | on: Glacier Mice

And sailing stones, https://en.wikipedia.org/wiki/Sailing_stones and toneballs https://luthierblogmartinahawe.wordpress.com/toneballs/

accrual 24 days ago [–]

I like how they installed a GPS module into one of the rocks to track its path.

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