        He had discovered that when he set it on the dashboard of his car all but the closest radio stations were nothing but static.  Inspired, after he had filled his car with outrageously expensive gasoline, he had spent the rest of the day at the mall, experimenting.  Judging by the puzzled and angry expressions on the cell-phone wielding populace, the hair tended to cause a signal loss at two to three feet.  He hoped that none of the dozens of conversations he had interrupted had been important.