Fossil and Petrology collections, New South Wales stratigraphy and paleontology in New South Wales. They are also a source of information for researchers throughout the world. This collection is identified as State Significant. As at 21 November 2000, the Petrology Collection has been assessed as State significance. It contains 70,000 rocks and thin section. It was started in the 1870's as two separate collections, one with 9,000 rocks and the other with 43000 thin sections. The Fossil and Petrology Collections were listed on the New South Wales State Heritage Register on 2 April 1999. Fossil and Petrology collections, New South Wales The Fossil and Petrology collections are
The purpose of a system is what it does The purpose of a system is what it does The purpose of a system is what it does (POSIWID) is a systems thinking heuristic coined by Stafford Beer. Stafford Beer coined the term POSIWID and used it many times in public addresses. In his address to the University of Valladolid, Spain, in October 2001, he said "According to the cybernetician, the purpose of a system is what it does. This is a basic dictum. It stands for bald fact, which makes a better starting point in seeking understanding than the familiar attributions of good intention, prejudices about expectations, moral judgment,