Are you interested in learning a little more about HAM radio—specifically, understanding the “geekier” side of things? Then check out this session at the Utah Open Source Conference: Exploring the Radio Frequency Spectrum.
From the abstract:
An in depth look at amateur radio’s effect on today’s technology. Topics to be covered will include the history of amateur radio, requirements for becoming an amateur radio operator, exploration of the technologies amateur radio uses, and open source tools that can be used in conjunction with amateur radio. Technology enthusiast familiar with the Linux Journal January 2010 issue will find this presentation a compliment to the amateur radio articles covered. This presentation is suited for technology beginners to experts, and those that would like to learn more about amateur radio.
Date/time: Oct 08, 3:00 p.m.
In February of 2009, 
Our physical needs prioritized – The Rule of 3’s:
The wealthy prepper boasted to his friend about his huge propane tank buried in his yard, an endless supply of fuel, food stores for years, and well, basically everything he thought he might need he had purchased. “What do you think of all this?” he asked his friend. His friend paused for a moment and then asked, “so, what do you think is going to happen when you’re the only house on your block with the lights on, while all your neighbors are cold, starving and miserable?”