There's An Actual Name And Reason For Those Beeps You Hear In Recordings Of Astronauts In Space via Gizmodo
The American space program, I think we’d all agree, has its own very particular set of audiovisual signatures that immediately evoke all kinds of images and feelings. There’s a certain NASA look to the objects of space travel—that gold foil stuff, lightweight aluminum frameworks, white panels with American flags on them—that is immediately recognizable. The same goes for the sounds of NASA, a certain type of distorted audio, and, perhaps most evocatively, those beeps you always hear in transmissions between astronauts and ground control. But what the hell are those beeps, anyway? What do they actually do? Relax. I’m going to tell you.
An interesting link found among my daily reading