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Ultrathin membrane makes plane cabins 100x quieter
While air travel is quicker and safer than driving, it's also louder. The continuous low-frequency drone of the engines is why some people invest in noise-canceling headphones. To help reduce that non-stop hum, researchers at North Carolina State University and MIT have developed a thin membrane to be inserted into the lightweight honeycomb structure of planes and helicopters. (www.engadget.com) Plus d'info...
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My first thought on reading this article was, does this reduce general vibration that could extend airframe live? This may be more beneficial that just passenger comfort.
It might also be useful in automotive applications. Who doesn't want a car with less road noise? Luxury car makers should be all over this.
