Experts unveil ‘cloak of silence’

By | June 17, 2008

Experts unveil cloak of silence

Being woken in the dead of night by noisy neighbours blasting out music could soon be a thing of the past.

Scientists have shown off the blueprint for an “acoustic cloak”, which could make objects impervious to sound waves.

The technology, outlined in the New Journal of Physics, could be used to build sound-proof homes, advanced concert halls or stealth warships.

Like the silent black triangle UFOs?

… The Spanish team who conducted the new work believe the key to a practical device are so-called “sonic crystals”. … These would be used to channel any sound around an object, like water flowing around a rock in a stream. – bbc

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