The Pentagon once tried to make screaming bombs.
The human brain is wired to fear the sound of people screaming. So the U.S. Air Force tried to weaponize that effect in the form of horrific, unsettling noise bombs that would scare the wits out of enemy troops.
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The Aztec death whistle
The Aztec death whistle served a variety of purposes from human sacrifice rituals to warfare. During a siege on enemy territory, the Aztecs warriors would sound the death whistle in an effort to cause their enemies psychological discomfort before the impending battle.
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