Karakul sheep the terms for newborn lambs' and fetal lambs' pelts are used interchangeably. The newborn lambs have a tight, curly pattern of hair. The lambs must be under three days old when they are killed, or they will lose their black color and soft, tightly wound coils of fur. Dark colors are dominant and lambs often darken in color as they age. Fetal karakul lamb pelts are called broadtail, "Breitschwanz" (German), and "karakulcha". Fetal karakul lambs are harvested through miscarriages, induced early delivery or by killing the mother sheep and removing the fetus. Rather than killing healthy female sheep, farmers will
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,