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.
The law is slated to take effect on August 1, the 50th anniversary of the deadliest school shooting in the stateâs history, and by many accounts the first in the nation. In 1966, an ex-Marine and engineering student named Charles Whitman ascended to the observation deck of the Austin campusâ 30-floor clock tower.