I have a Sharp 32J-S400 32" TV and it's about 4 years old. Recently, the colors in the bottom left corner of the TV (a 2" quarter circle extending directly from the corner) have been off. <P>If that ...

Educational apps always seem impressive at first. Parents see the bright screens, the cheerful voices, and the promises about faster learning. It feels like these apps should help kids pick up letters ...

Let G = (V, E) be a strongly connected, aperiodic, directed graph having outdegree 2 at each vertex. A red-blue coloring of G is a coloring of the edges with the colors red and blue such that each ...