Image for The Shepard Tone audio illusion

The Shepard Tone audio illusion

Duration: 05:59

Dr Yan and music expert Dr Robert Samuels listen carefully to a strange sound illusion called the Shepard Tone, and find out why it makes us all hear things that aren't happening.

Available since: Mon 18 Apr 2011


Yan Wong
Robert Samuels
Deborah Mairs
Illy Woolfson
Post-Production editor
Tim Hansen
Series Editor
Dermot Caulfield

This clip is from

Bang Goes the Theory Series 4, Episode 6

6/8 Liz looks at the controversial science of genetically modified crops in Hawaii.

First broadcast: 18 Apr 2011

Image for Episode 6 Not currently available on BBC iPlayer

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