I have seen the future, and it's this 3D-printed air raid siren honking its baleful tones over my neighbourhood as the waters rise
It's a cool project, anyway, and I'm all down for that. A combination of cheerfully-coloured 3D-printed components and RC ...
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Cold War-era siren that warns of 'air raid' erroneously activates in Winnebago County
"I could tell right away that the sirens didn't sound like the normal tornado siren. It had the up-and-down pitch of an air raid or an attack siren," added Behnke. That's exactly the tone Winnebago ...