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.
From Wikipedia, the free encyclopedia. Martha Herbert is an American physician and assistant professor of neurology at Harvard Medical School and pediatric neurologist at Massachusetts General Hospital. Herbert is also director of the TRANSCEND program at the Athinoula A. 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.