The cruise ship "Seabourne Spirit" recently used an LRAD (Long Range Acoustic Device) to repel an attack by pirates off the coast of Somolia. At 300 meter range, the device can project sound at 105 dB. For comparison a power mower generates about 107 dB.
Tuesday, November 08, 2005
Sonic Weapon Repelled Cruise Ship Pirates
The cruise ship "Seabourne Spirit" recently used an LRAD (Long Range Acoustic Device) to repel an attack by pirates off the coast of Somolia. At 300 meter range, the device can project sound at 105 dB. For comparison a power mower generates about 107 dB.
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