It's a cool project, anyway, and I'm all down for that. A combination of cheerfully-coloured 3D-printed components and RC ...

[MrExpert] is here with the build you need – an air raid siren you can print at home. It’s a simple build, which makes it fun and accessible for just about anyone with a 3D printer. Rotational ...

For this project, instead of trying to quiet his blower, he decided to make one as loud as possible in the form of an air raid siren. The basic idea behind [Matthias]’ air raid siren is to make ...

"The siren tone that we heard on Saturday, this week, is what we call the attack mode," said Eric Rasmussen, director of ...

we haven't heard you an air raid siren in Kyiv for like five weeks. Literally, the only moment I've heard an air raid siren for the last five weeks has been when Joe Biden walked outside with ...

Air-raid siren sounds the warning. Air-raid sirens first sounded the warning in London in September 1939. They became an almost daily part of life in the capital a year later during the height of ...