The green Sahara
The mystery of singing dunes
Master class in desert survival
Hidden waters and ancient engineering
YOUR GOAL
Master of Deserts and their surprising secrets
misslily The mystery of singing dunes
Hear them hum, hear them hum / That sliding sand is a cello strum.
misslily Known locally as the singing sands, Dunhuang's crescent dunes in China have mystified travelers like Marco Polo for centuries.
misslily The towering dunes of the Namib Desert generate deep, booming frequencies that can travel for miles across the empty landscape.
Singing sand frequency: Most singing dunes hum at a low frequency of about 450 hertz, which sounds remarkably like a cello's low G-note.
Sand that emits a musical or humming sound when disturbed by wind or human footsteps. In 2005, physicist Bruno Andreotti analyzed this acoustic phenomenon among the shifting dunes of Morocco.
Near which ancient Silk Road city in China can you visit the famous Mingsha Shan 'Singing Sand Dunes'?
What acoustic instrument does the low-frequency drone of a singing sand dune sound most like?
Which famous historical explorer wrote about hearing ghostly spirits singing in the sands of the Gobi Desert?
What is the scientific term for the synchronized vibration of sand grains that amplifies the dune's sound?
What specific physical trait must sand grains possess to produce a singing sound?