I'm a huge fan of road trips, but there's nothing I hate more than the moment my signal bars just vanish. One second I'm following the GPS, and the next, everything's frozen and I'm second-guessing ...

Victor Davis Hanson, a senior contributor for The Daily Signal, is a classicist and historian at the Hoover Institution at Stanford University and host of "The Victor Davis Hanson Show." His website, ...

Image processing is manipulation of an image that has been digitised and uploaded into a computer. Software programs modify the image to make it more useful, and can for example be used to enable ...