19 Sep '11, 3am

Study Finds Falling Trees Make Sound Even if No One is Around to Hear It

It's a riddle that's been twisting brains for generations: If a tree falls in the woods and no one is around to hear it, does it make a sound? The answer, at least according to a comprehensive study of nature's noises, is 'yes' -- but it may be drowned out by the hum of a motor vehicle. For the last two years, researchers have been placing microphones throughout Oregon's Crater Lake National Park in order to database and analyze what sort of sounds can be heard in some of the most remotest places. And it turns out, evidence of human activity is far more pervasive that you might have imagined. Since researcher Scott McFarland began setting up microphones across the national park and listening back to the sounds they captured, he's honed a particularly acute sense of hearing. Most of the noises his 20 listening stations have picked up are things you might imagine -- the rust...

Full article: http://www.treehugger.com/files/2011/09/falling-trees-mak...

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Study Finds Falling Trees Make Sound Even if No...

treehugger.com 19 Sep '11, 3am

It's a riddle that's been twisting brains for generations: If a tree falls in the woods and no one is around to hear it, d...

If a tree falls in the woods & no one is around...

treehugger.com 19 Sep '11, 3am

It's a riddle that's been twisting brains for generations: If a tree falls in the woods and no one is around to hear it, d...

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