IDiscover what the Villages' chapter of the Citizens Climate Lobby is saying about human impact upon the climate.  The claims are numerous, but the data says otherwise.  See how these claims are based on selective data sources, data that has been proven incorrect, and data claiming cause and affects that are subjective and unsubstantiated. 

Most of us know what an atom looks like. Or do we? And how do those atoms wandering around form molecules like water, salt, or the stuff that makes us? Why does ice float? What makes iron so strong? Why are some things like helium so inert? No chemistry background is required. You’ll discover some things you might have always been wondering about. 

Today nearly everyone makes use of computer, or smartphone, “apps."  Having an understanding of the below-the-surface details of apps is interesting and impressive. It is also helpful for knowing how they do what they do for, and to, us.

This lecture is not about what apps to use or how to use a particular app. We generically discuss apps from their conception to their end-user usage, and what they are doing while we are using them. The goal is that you will leave with a greater appreciation and understanding of the apps we mostly take for granted. 

Basic physics / engineering behind nuclear power programs  and the overlap with nuclear weapons development, with specific application to the Iranian program.