#hearing-safety

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#white-noise #noise-colors #sound-frequencies #ajax-armoured-vehicle #procurement-delays #nato-deployment
Wellness
fromEsquire
3 weeks ago

5 White Noise Machines That Will Make You Sleep Better

Noise colors differ by frequency emphasis: white is flat; pink emphasizes lows; brown deeper lows; blue/violet emphasize highs; green mid-range; gray matches perceived loudness.
Miscellaneous
fromwww.theguardian.com
4 months ago

British military announces first delivery of Ajax armoured vehicles eight years late

Britain has delivered the first Ajax armoured vehicles eight years late amid high costs, noise-related soldier injuries, procurement delays, and questions about battlefield relevance versus drones.
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