There are times when things just line up nicely. How you can be so involved in some particular something and in the process other doors all over the place seem to open up.
Yesterday, as I was researching things for my Ancient Inventions notes I found myself confronted with a variety of references from completely different sources pointing back to the very things I had been reading earlier that day. Last night I gazed at the moon and, in my fumbling sort of way, tried to convey how amazing it is and must have been for Galileo to do the same thing but without the kind of scientific experience and knowledge I have available to me today.
Then, this morning I see this:
I love it when that kind of thing happens.