The Song Of The Dunes

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The Song Of The Dunes – Etienne Chaillou And Mathias Thery

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The Song Of The Dunes

The Song Of The Dunes

[The Song Of The Dunes Etienne Chaillou And Mathias Thery]

Beware, this movie is best heard with low-frequency headset or loudspeaker

THE SONGS OF THE DUNES

INTRODUCED BY STÉPHANE DOUADY ON THE MEGABARKHANE OMÉGA 1 ATLANTIC COAST – SOUTH MOROCCO

It’s OK?

Can I start? Filming?

We discovered the song of the dunes the first time when Pascal Hersen went down a dune by feet. And here is what it does…

It took us the whole afternoon to realize there were two sounds. A “feet” sound. And an avalanche sound.

In singing sand there are two thresholds. The first threshold is in the amount of sand pushed. So if I push “four fingers”…

…Here it sounds no problem

“three fingers”

“two fingers”

“one finger” barely. So the threshold is between “one and two fingers”. But there is also a threshold in speed. If I go too slow… and now if I just pass the threshold… if I go quicker… it sounds higher.

The sand that sings

sings all the time, not only on the slip-face. Here we are on a plateau the slip-face is over there. In fact as soon as the sand is sheared it sings.

For instance…

It can also be sheared this way… and make different tones.

Letting the sand fall also make sounds. The only difference between the plateau and the slip-face is that on the plateau when I push sand as soon as I stop it stops while on the slip-face it keeps flowing avalanching.

There it is sheared by gravity and thus always makes the same tone and that’s the song of the dunes.

The Song Of The Dunes Etienne Chaillou And Mathias Thery

The Song Of The Dunes Etienne Chaillou And Mathias Thery

The Song Of The Dunes Etienne Chaillou And Mathias Thery. The sand that sings. Complete Full Transcript, Dialogue, Remarks, Saying, Quotes, Words And Text.

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