I wonder what it must be like when a bomb explodes. My husband was killed by such an explosion and I imagined the rumble and shock and deafening percussion as the ground rocked and the air transformed into a solid mass of black rain. I imagined the blast so violent you are knocked senseless, and when you wake up, if you wake up, you have no idea what happened. But it wasn't until this week at Redstone Arsenal where teams of agents study all things incendiary, that I got up cl