Youtuber Mark Makies has created a 3D printer air raid siren. This you probably know, if you viewed the video above (via Hackaday). What I'm not entirely sure of is why it sounds like both a ...

The Chrysler Air Raid Siren was a hulking beast that was 12-feet long, six-feet high, and weighed somewhere around 6,000 pounds. Inside the siren was a 1952 180-hp V8 Chrysler HEMI engine capable ...

By ramping the speed of the motor up and down, it’s possible to vary the pitch of the siren as is often done with real air raid sirens. This action could be entirely automated if so desired.

First installed in the 1950s, they were developed for Cold War air raid warnings, but in the 1970s, the sirens transitioned to outdoor warning alerts.

It had the up-and-down pitch of an air raid or an attack siren," added Behnke. That's exactly the tone Winnebago County Emergency Management officials say rang out from the sirens in Oshkosh.

I am the third type of person, who hears a 3D-printed air raid siren and experiences a flash forward to my apocalyptic future yet to come. Bear with me here folks, I'm cooking.