As of September 20, Hewlett Packard, Alcoa and the Bank of America leave the Dow Jones Industrial Average to be replaced by Nike, Visa and Goldman Sachs. There is nothing particularly scientific about the Dow or its make up, but … Read More
Christchurch, New Zealand, was hit very hard by an earthquake in February 2011, with 185 deaths. Its cathedral was damaged so badly that it had to be replaced. The beauty of towering stone is not always a good thing. So … Read More
The idea of the 3D printer is now becoming familiar, and home kits are available for hobbyists and entrepreneurs who have $350 to $2,000 to spend for printing out projects and prototypes on their kitchen tables. The Wikipedia article on … Read More