Blast from the Past – So what do YOU do when you’re driving?

Many people have bad driving habits. Giving the finger, blabbing on the cellphone, fiddling for a station on the stereo, etc. Aside from the obvious vehicular dangers created, this doesn’t seem like very worthwhile behavior. Dad was very good driver but one day he became intrigued by the low pitch he always heard when passing over the bridge. It was at a definite pitch and it was created by the tires passing over those little spaced rivets found on many bridges. Given his fascination for physics he set out to figure out how far apart these rivets were in order to produce the pitch he was hearing at the speed…