TIL The biggest warning siren ever was made by Chrysler and powered by a V8 Hemi engine. It was 12′ long, weighed 3 tons, was able to be heard in a 2000 square mile area, condensed fog into rain, and sometimes knocked birds out of the sky.

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My neighbour has this as their car alarm.


It was so powerful that it left the men who operated it dazed and nauseated, even though they used ample hearing protection.


In Scotland I visited a lighthouse, which had nearby the strongest fog horn in Britain. The guide told us that standing in front of it while operating would cause the instant detachment of the retinas.


That thing got a Hemi in it?


Still not as loud as YouTube ads.