Listen to the 'scariest sound in the world': Scientists recreate the noise of the Aztec Death Whistle that may have accompanied human sacrifices

Instrument may have been used for ceremonies or to intimidate rival tribes Experts have created the sound of the Aztec Death Whistle using 3D printing It's been described as the 'scariest sound in the world' – somewhere between a spooky gust of whistling wind and 'the scream of a thousand corpses'. It was back in 1999 that the original Aztec Death Whistle was found held in the hand of a headless skeleton during the excavation of an Aztec temple in Mexico City. Now, people can buy their own death whistle on Amazon made from a variety of materials such as resin, ceramic and even carbon fibre In 1999, the original Aztec Death Whistle was found held in the hand of a skeleton during the excavation of an Aztec temple in Mexico City Spectrogram of the sound waves from the death whistle, which makes a sound like a screeching zombie Perhaps the original skeleton was buried with the device as a protection, to scare away evil spirits as they left this world. During the video, Orgill tests out modern-day versions of the Aztec Death Whistle made using a 3D printer from US firm HeyGears.