Costa Rica's President Laura Chinchilla was at NYSE today and spoke briefly with CNBC about her country's economy. According to the president, it's not all coffee and sugar; Costa Rica has developed as a technology manufacturer and now exports more microchips and medical products than agricultural products. It ...

This was my first Cob project, which I learned from books, web, talking with others and from just doing it! The clay is from the surrounding area and is generally pure enough without needing to be filtered. The sand is from a local river bed. Normally I would use sharp ...