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What makes the rocks ring?

Started by nashuatelegraph · 10 months ago

Apparently no one really knows why many of the rocks in a glacial boulder field in eastern Pennsylvania chime like bells if you whack them with a hammer.
It’s fun, though. I recommend eye protection, and of course BYO hammer. My family visiting Ringing Rocks durin ... Continue reading »

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  • i came across 'ringing' stalactites in the yucatan, i believe. one of them in particular was revered by the former indigenous population as 'the voice of God," or something like that. pretty darn cool.

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