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.
Abner Doubleday Fires First Union Shots of the Civil War. On April 12th 1861 South Carolina troops opened fire on Fort Sumter. In response to this assault Abner Doubleday divided his company into three details to return fire, the first shot against the rebellion was fired by Abner Doubleday and his men.