I see them in a lot off cool modules, but have no idea what they are, or what they do.
In the FAQ I only read how to make them. (than again, it is past my bed time, so who knows what I missed).
When I tried to google it, I only found info about that serie with Scully and Mulder, so any links or articles are welcome.
Thnx for your (wasted) time again… :)