Galvanic corrosion is a process that degrades metals electrochemically. This corrosion occurs when two dissimilar metals are located in contact with each other in the presence of an electrolyte, such as salt water, forming a galvanic cell.
But the memories of that tragic day 25 years ago are still vivid to many in Edmond. On Aug. 20, 1986, gunman Patrick Henry Sherrill shot and killed 14 co-workers, wounded six and then took his own life inside the post office where he worked.
Posted 01 August 2006 - 02:36 PM. Today marks the 40th anniversary of the University of Texas Tower shootings. On August 1, 1966, (my dad's 15th birthday), Charles Whitman an architectural engineering student at UT went to the tower's observation deck above the 29th floor. He shot 45 people killing 15.