Anechoic Chamber

December 10, 2012
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This picture shows the then new anechoic chamber at Wright-Patterson AFB which was built to test the radar signatures of aircraft. The caption says that, "The walls are covered with spikes of rubber-like material impregnated with carbon to absorb, rather than reflect, radar signals." This means that models of aircraft can have their radar signatures measured without the radar waves being reflected off the surface of walls. The aircraft model in the left of the picture is that of an X-15, a research aircraft that flew during the 1950s and 1960s that was one of the fastest and highest-flying aircraft ever built.

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