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Loudspeakers

Loudspeakers that look as good as they sound. Originally developed by the British Military of Defence to reduce sound, it turned out the panels resonated. It was picked up by NXT Technology.

This is a programme from the 成人快手 World Service Archive and was originally broadcast in 1996.

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18 minutes

成人快手 World Service Archive

This programme was restored as part of the World Service archive project