A wind glass vibrated by sound at its resonance frequency.
The Golden Gate did have some issues with a loud hum caused by recent work but that has since been fixed.
Posted on 05/18/2021 1:13:46 PM PDT by DUMBGRUNT
You can't be that ignorant?
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Don’t buy a Chinese sump pump, either.
—”They still use bamboo”
I was around there in the 1970s and it was rope lashed bamboo scaffolding everywhere! Except (IIRC?) Japan.
I suspect this another example of natural frequency. A vibration that is in tune with the time it takes an object to vibrate makes the vibration bigger and bigger every cycle until something breaks.Didn't that happen to the Golden Gate bridge when there was a crowd walking across it?
Thoughts and prayers for the people that live there.
I wouldn’t.
A wind glass vibrated by sound at its resonance frequency.
The Golden Gate did have some issues with a loud hum caused by recent work but that has since been fixed.
Apparently quality control is an alien concept to the Chinese.
thanks for your post, I’m seeing articles now on the humming of the SFG bridge.
My recollection was incorrect, although the event did happen. For the 50th anniversary celebration in 1987, the bridge was closed for pedestrians only, and some 300,000 people were on it at the same time, causing the center span to flatten from its normal slightly-flexed position.
So it was sheer weight and not some type of harmonic effect.
Last year or year before an apartment building in London caught fire in the same manner.
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I have no idea why I though of this just now but I believe you were thinking of Grenfell Tower... 72 died
https://www.bbc.com/news/uk-40301289
Seems possible. Has anyone seen if a cause has been determined (if the gov't will even admit it)?
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