Building sand tables has always been an infantryman's chore, but in a few years the job may be taken over by Microsoft. That's what Brig. Gen. Anthony Potts, the commander of Program Executive Office ...

[Mark]’s sand table wisely has a glass top. Most of us have probably seen a video of a sand drawing table at work, in which a steel ball — magnetically-coupled to a gantry under a layer of sand — ...