In my post of November 2o th I described my trip to the Kilauea Volcano on the Big Island of Hawaii and the role of volcanic activity and plate tectonics in the formation of the Hawaiian Islands. I bought the December 2009 issue of Astronomy Magazine in Kona to read before we made the trip [...]

Tags: Astronomy, Science Fiction

One of the subjects that I have discussed in previous posts is renewable energy, that is energy derived from renewable sources that do not increase the amount of greenhouse gases in the atmosphere beyond that produced by natural processes. I think of these sources of energy as coming from the elemental sources of earth, wind, [...]