When a technology dies...
...you sometimes get a decent monument. Here are the sound mirrors at Denge, Dungeness.
posted by David Murphy at 15:42
Sunday 19 July 2009
About Me
- Name: David Murphy
- Location: London, United Kingdom
I'm a consultant working mostly with investment banks, hedge funds and insurance companies. My academic background is physics and theoretical computer science.
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3 Comments:
Lovely shot, but you really have to get up close to appreciate the sheer enormity of building those things. This idea isn't quite as dead as reported though: acoustic tracking of aircraft is coming back again, although with somewhat lighter technology, as the safe-airport project (http://www.safe-airport.org/).
For the geeky amongst us, links to:
* the safe-airport array characteristics (and a picture of the array): http://www.eurice.info/typo3sites/fileadmin/air-safety-cluster/downloads/Safe_Airport_Presentation.pdf
* wearable and bicycle-mounted sound mirrors: http://www.dself.dsl.pipex.com/MUSEUM/COMMS/ear/ear.htm
* I couldn't find any beam plots for the sound mirrors, but there might be something in the in-air acoustics bibliography at http://deepblue.lib.umich.edu/bitstream/2027.42/8244/4/ahp2921.0001.001.txt
Those are quite possibly some of the most humourous pictures I've ever seen. The personal device is, well, quite something...
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