In response to a post where I noted that the US had in the first two months of fiscal 2010 generated $292 billion of deficit, a commenter 5Live asked what has changed since my posting of Sept. 2008 where I compared national debt of different countries. Below I show that projections are that the debt …
The quantum cascade laser (QCL) is based on inter-subband electron transitions inside a quantum well structure, which can be tailored to emit different wavelengths simply by changing the thickness of the constituent layers. In other words, we are no longer limited by inherent band gaps, and can demonstrate a very versatile source using one material …
Here is the Brad Edwards interview. Dr. Edwards received his PhD in physics in 1990, and worked at Los Alamos National Lab for 11 years. After leaving Los Alamos, Dr. Edwards has dedicated his career to researching and developing the space elevator concept. All of his research indicates that the space elevator concept is valid …
By the year 2020, you won’t need a keyboard and mouse to control your computer, say Intel Corp. researchers. Instead, users will open documents and surf the Web using nothing more than their brain waves. (H/T Sander Olson) Scientists at Intel’s research lab in Pittsburgh are working to find ways to read and harness human …