Back before radar, dudes in the military had to rely on their ears to detect incoming enemy planes. So they enhanced them with these flat-out crazy 'sound locators.' [Noise for Airports via NotCot]
Monday, November 16, 2009
Old-Timey Sound Locators Enhanced Hearing in Times of War [Retromodo]
Old-Timey Sound Locators Enhanced Hearing in Times of War [Retromodo]: "
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