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If a tree falls in a forest does it make a sound?
If a tree falls in a forest, and no-one is there to hear it, does it make a sound? This is an age-old debate that listener Richard and his family have been arguing about for years. Can CrowdScience settle it once and for all?
Caroline Steel speaks to experts in hearing, biology, philosophy, physics and sound design, which takes her to some unexpected places.
Professor Stefan Bleek is an expert in psychoacoustics who says that sounds only exist in our heads.
Dr Eleanor Knox and Dr Bryan Roberts are philosophers that make her question if anything exists outside our own perception. Professor Lilach Hadany wonders if it’s limited to humans and animals - could other plants hear the falling tree too?
And Mat Eric Hart is a sound designer who says that sound is subjective – it’s always tangled up with our own interpretations.
Things get truly weird as we delve into the strange implications of quantum physics. If there is such a thing as reality, doesn’t it change when we’re there to observe it? Does the tree even fall if we aren’t there?
Presenter: Caroline Steel
Producer: Anand Jagatia
(Image: Fallen Tree. Credit: Getty Images)
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By BBC World Service
4.7
436436 ratings
If a tree falls in a forest, and no-one is there to hear it, does it make a sound? This is an age-old debate that listener Richard and his family have been arguing about for years. Can CrowdScience settle it once and for all?
Caroline Steel speaks to experts in hearing, biology, philosophy, physics and sound design, which takes her to some unexpected places.
Professor Stefan Bleek is an expert in psychoacoustics who says that sounds only exist in our heads.
Dr Eleanor Knox and Dr Bryan Roberts are philosophers that make her question if anything exists outside our own perception. Professor Lilach Hadany wonders if it’s limited to humans and animals - could other plants hear the falling tree too?
And Mat Eric Hart is a sound designer who says that sound is subjective – it’s always tangled up with our own interpretations.
Things get truly weird as we delve into the strange implications of quantum physics. If there is such a thing as reality, doesn’t it change when we’re there to observe it? Does the tree even fall if we aren’t there?
Presenter: Caroline Steel
Producer: Anand Jagatia
(Image: Fallen Tree. Credit: Getty Images)
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