Sound weapons have been known since Biblical times; even the warriors of Ancient India used wind pipes in battles, the loud and unpleasant sound of which put the enemy to flight.
The Palestinian city of Jericho “was destroyed by Jewish tribes at the end of the 2nd millennium BC. e. According to biblical tradition, its walls collapsed from the sounds of the conquerors' trumpets.
A very loud sound can burst the eardrums in a person, and he will lose his hearing, and infrared sound vibrations can cause cardiac arrest. Not surprisingly, acoustic weapons have found use today. In particular, to protect against sea pirates. As you know, modern sea robbers hunt mainly in the Indian Ocean on busy sea routes.
In November 2005, pirates attempted to attack a cruise ship off the coast of Somalia. This country has not had a clear political course for the past fifteen years; governments are constantly changing as a result of coups. This is probably why pirate raids are so frequent off the coast of Somalia. More than 25 ships were attacked off Somali waters in 2005, including a UN-chartered vessel to carry humanitarian aid for the hungry in this poorest African country.
In the early morning of November 5, the Sea Spirit liner was 160 km off the east coast of Africa. Several boats without identification marks surrounded the ship. The pirates fired a volley, one missile hitting the side of the ship, although it did not cause fatal destruction.
The Sea Spirit crew was aware of the dangers of the waters here, so the LRAD sonic weapon was on board - a wide-range acoustic device.
This device was originally developed in secret US laboratories. However, today you can find out about its characteristics on the website of the American Technology Corporation, which manufactures the device. The LRAD is a large metal "cymbal" with a diameter of 84 cm and a weight of 24 kg and can generate sound from 2100 to 3100 kHz at 150 decibels.
By comparison, the engines of the supersonic Concorde produce 110 decibels. The device focuses the sound wave at an angle of 15 to 30 degrees, creating a kind of "stinging" beam of the ears. The range of the weapon is 300 m. The cost of the device is 34 thousand dollars.
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LRAD turned on at maximum power can permanently deafen the enemy. A low-power device forces him to leave the battlefield. American Technology Corporation emphasizes that the effect of their device is not lethal, but rather a psychological weapon.
It is no coincidence that LRAD is often called the "Jericho Trumpet." It was the "Jericho Trumpet" that forced the pirates, who intended to empty the wallets of the rich, who were resting in the luxurious cabins of the Sea Spirit, to retreat.
The LRAD was originally developed by order of the military department for verbal communication over long distances. Since 2000, the "Jericho Trumpet" began to appear on US warships. It is known that among the developments of the "American Technology Corporation" there are more modern analogues of LRAD, which are capable of causing "behavior modification", i.e. make the aggressor give up violence by turning the wolf into a quiet lamb. Such weapons are effective for suppressing angry mobs, for example, during prison riots or when breaking up street demonstrations.
The US tried to use acoustic weapons even during Operation Desert Storm during the liberation of Kuwait in 1991. More advanced LRAD weapons have been used during the current US war against Iraq, in the streets of Fallujah and Baghdad. American forces used it before the invasion of cities to drive the population into homes and suppress resistance. Weapons were also used in New Orleans in the city destroyed by typhoon Katrina to disperse the marauders. It is likely that an acoustic weapon like the LRAD is being used by Israel against the Arabs.
According to Palestinian news outlets, Israeli aircraft flew over the Palestinian territories at night last year, making an eerie hum. The raids took place every hour. According to the Palestinian Ministry of Health, the sound produced by the planes has caused civilians to experience epistaxis, high blood pressure and, in some cases, even cardiac arrest.
According to some reports, engineers of military factories in Nazi Germany tried to develop sound weapons. However, the Nazis needed a lethal weapon, and acoustic weapons are not, so they did not become widespread.
Secret laboratories in the West and in the USSR were engaged in the development of sound weapons during the Cold War era. Acoustic "trumpets of Jericho" were seen as a deterrent, no doubt used by the secret services.
Since 2005, the UK has been using an analogue of LRAD with the eloquent name "Mosquito". This device produces an annoying sound of very high frequency that most adults do not hear (it has been established that by the age of twenty, people have already lost some of their hearing ability). "Mosquito" was used to disperse street gangs of youths who often rob shops.
The device causes a kind of "Pavlov effect" - where once a teenager heard an unpleasant sound, it no longer appears. Mosquitoes were used during international summits to disperse antiglobalists. The device has a range of 15 to 20 meters and costs only 580 pounds.
As you can see, acoustic weapons serve a good purpose. However, it is not excluded that it can be used by both terrorists and "fishers of human souls", who in this way will be able to subjugate people.