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.
Rocori High School shooting. The Rocori High School shooting was a school shooting that occurred at Rocori High School on September 24, 2003 in Cold Spring, Minnesota, United States. The shooter was identified as Rocori High freshman John Jason McLaughlin, who shot and killed 15-year-old freshman Seth Bartell and 17-year-old senior Aaron Rollins. Prior to the shooting, McLaughlin was described as a quiet and withdrawn student with severe acne.