NASA Sounds

NASA has released a collection of historical sounds as ringtones (both MP3 and the iPhone’s M4R format). You can hear the roar of a space shuttle launch or Neil Armstrong's 'One small step for man, one giant leap for mankind' every time you get a phone call. Or, you can hear the memorable words 'Houston, we've had a problem,' every time you make an error on your computer.

(via mental_floss)