A Unified Meta-Theory Of Design combining optimization theory, green design theory, universal theory, design pattern theory, and zen theory. Meta-efficient in 2009.
Note: This post on 12V Solar Battery Chargers has been updated for 2010. Solar cells really shine at charging your batteries at remote location or on a boat. They are also useful for maintaining a charge on a 12V battery, such as a car battery. The best (and most expensive) solar battery chargers are flexible, […]