Earthquake: Pains Not Opaque | By Dr Asif Channer pakobserver.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from pakobserver.net Daily Mail and Mail on Sunday newspapers.
"As seismologists gained more experience from earthquake records, it became obvious that the problem could not be reduced to a single peak acceleration. In fact, a full frequency of vibrations occurs." -Charles Francis Richter
Standards Part Two: Comparative Standards clubtroppo.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from clubtroppo.com.au Daily Mail and Mail on Sunday newspapers.