The fact that the last two posters have Solder and Hexadecimal in their sigs shows that they originated Pre-Arduino.
I was taught to respect my elders, but it's getting harder and harder to find one...
On the premise, at least for this post, that "Humans are only off-topic when they're dead":
I liked this, which I read in the New York Times the other day: http://terryking.us/p/A-Sharper-Mind.pdf
My Dad, who was a Broadcast Engineer and Ham all his life, can still tell you the difference between an 828 and an 813. He's 99. Hope that's hereditary!!
Oh, to the Original Poster: Welcome, and you will get some friendly help here.
I got an incredible amount of help from older-than-me people when I started learning tekkie stuff, about 1952.
That's a tradition that I think "IS going to go on for ever!"