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The operator's job was to start the engine and bring it up to operating speed, then to pull and release the transmission handle to start the wailing signal generation. The Chrysler Air Raid Siren produced the loudest sound ever achieved by an air raid siren. [1]
The world's loudest and largest sirens ever "Tocsin B", Canada's dry run of its Nuclear Warning System from 1961 (CBC Radio News Special, 13 Nov 1961) Toronto Star – The mystery of the air raid sirens; Michigan Civil Defense Museum; Old German World War II Air Raid Siren YouTube; British World War II Air Raid Siren with all-clear YouTube
NOAA's Christopher Fox did not believe its origin was man-made, such as a submarine or bomb. While the audio profile of Bloop does resemble that of a living creature, [4] the source was a mystery both because it was different from known sounds and because it was several times louder than the loudest recorded animal, the blue whale. [5]
Now NASA is stepping in to provide some insight into what could actually be causing this scary pattern. NASA scientists believe the ominous noises could potentially be the "background noise" of ...
The explosions constituted what was then the loudest human-made sound in history, and could be heard in London. The largest single charge was the Lochnagar mine south of La Boisselle with 60,000 lb (27 t) of ammonal explosive. The mine created a crater 300 ft (90 m) across and 90 ft (30 m) deep, with a rim 15 ft (5 m) high.
Sound sample ⓘ An 1860s-era siren. [2] A siren is a loud noise-making device. There are two general types: mechanical and electronic. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks.
Lee-ann Cordingley, a clinical sexologist and sex coach, suggests just practicing some racy words or phrases out loud when you’re alone so you can get more comfortable hearing yourself say them.
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