The Hubster and I were taking the bus together somewhere last week when we heard a ticking sound… sort of like the sound you hear when you turn on your signals in a car. As we listened to the tick-tick-tick-tick of the mysterious bus sound, we were reminded of the time we heard a bomb in our apartment. One night, many moons ago, the Hubster and I were enjoying a quiet evening at home. I was busy doing homework (Facebook) while the Hubster worked hard on a project (Team Fortress 2). I had some music on as I often do, but as I listened I realized that the beat was…