Some high bay open door workshops have "Sonic weapons" installed in them to keep birds out, They do my head in and I can't work around them at all but seem to work against birds!
Some high bay open door workshops have "Sonic weapons" installed in them to keep birds out, They do my head in and I can't work around them at all but seem to work against birds!
I heard someone on National Radio discussing it last week.
National Radio itself as a sonic weapon? The Concert Program? In the UK, they play classical music in malls and suchlike to discourage loitering by the hip-hop generation.
Some high bay open door workshops have "Sonic weapons" installed in them to keep birds out, They do my head in and I can't work around them at all but seem to work against birds!
Are... are you a bird?
No but they severely irritate me and I can't be around them for more than 5 minutes before I get a migraine.
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