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A civil defense siren is a siren used to provide an emergency population warning to the general population of approaching danger. Initially designed to warn city dwellers of air raids (air-raid sirens) during World War II, they were later used to warn of nuclear attack and natural disasters, such as tornadoes (tornado sirens).
Public warning system siren in Dresden, Germany. An emergency population warning, or public warning system is a method where by local, regional, or national authorities can contact or notify members of the public to warn them of an impending emergency. These warnings may be necessary for a number of reasons, including:
Archaic perfume vase in the shape of a siren, c. 540 BC The etymology of the name is contested. Robert S. P. Beekes has suggested a Pre-Greek origin. [5] Others connect the name to σειρά (seirá, "rope, cord") and εἴρω (eírō, "to tie, join, fasten"), resulting in the meaning "binder, entangler", [6] [better source needed] i.e. one who binds or entangles through magic song.
To direct a siren's sound and to maximize its power output, a siren is often fitted with a horn, which transforms the high-pressure sound waves in the siren to lower-pressure sound waves in the open air. The electrically powered cylinder siren used to alert the town of Lowestoft during World War Two.
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The Siren, a lost Fox film starring Valeska Suratt; The Siren, an American melodrama directed by Byron Haskin; Siren, a Belgian animated short film; Sirens, starring Hugh Grant, directed by John Duigan
Starbucks has used its image of a double-tailed siren since the early 1970s, but as the company has grown, she has undergone a number of changes.. While many of the alterations simply involved ...
Dubbed “office siren”, the new 2024 style trend is inspired by late ‘90s and early 2000s designers such as Tom Ford’s Gucci era, Miu Miu, Sabato de Sarno’s Gucci Ancora, and Peter ...