When astronauts first walked on the moon, everyone was glued to the television. I was eight-years-old and can remember it like yesterday.


Beep. Beep.

We copy you down, Eagle.

Beep. Beep.

Engine arm is off. (Pause) Houston, Tranquility Base here. The Eagle has landed.

Beep. Beep.


What the beep? All those old NASA transmissions seem to have that beeping in the recording. What the beep is it? It's actually two, and they're called Quindar tones.

Read more of the newsletter here.