Confusion and a lot of questions exist as to detonation and pre-ignition. Sometimes you hear mistaken terms like pre-detonation. Detonation is one phenomenon that is abnormal combustion. Pre-ignition is another phenomenon that is abnormal combustion.
Martha R. Herbert, PhD, MD, is an assistant professor of neurology at Harvard Medical School, a pediatric neuroscientist at the Massachusetts General Hospital in Boston, and an affiliate of the Harvard-MIT-MGH Martinos Center for Biomedical Imaging.
Jan Miner. Jan Miner (October 15, 1917 â February 15, 2004) was an American actress of film, television, radio and stage, but was best known for her iconic role as the character of Madge the manicurist, in a 27-year series of television commercials as a spokesmodel for Colgate Palmolive dish-washing detergent, from the 1960s until the early 1990s.