[Laser] Eggs, Grandmothers, Suck, How to...

[John McNulty]

Hello List,

Does anyone need an explanation of elbow - and in this case, ass - 
and difference between?
73's
J McN

>Dear Group,
>The transmission and reception of signals in the optical, or light 
>domain ... but not using fiber or other light guides is called "Free 
>Space" communications.   This has been a method known since the mid 
>to late 1800s ...and systems have been part of electronics design 
>from the time of vacuum tubes onward. JH
>