Pennyweight is derived from the price for a hundred nails in 15th century England: the larger the nail, the higher the cost per hundred. The pennyweight also bears no relation to the weight of the American "penny" (1 cent) coin, which weighs 2.5 g (for those minted after 1982). Pennyweight A pennyweight (abbreviated dwt, from denarius weight) is a unit of mass that is equal to 24 grains, of a troy ounce, of a troy pound, approximately 0.054857 avoirdupois ounce and exactly 1.55517384 grams. In the Middle Ages, a British penny's weight was literally, as well as monetarily, of an ounce
Stars in My Pocket Like Grains of Sand Stars in My Pocket Like Grains of Sand Stars in My Pocket Like Grains of Sand (1984) is a science fiction novel by Samuel R. Delany. It was part of a planned duology ("diptych", in Delany's description) whose second half, "The Splendor and Misery of Bodies, of Cities", remains unfinished. The novel takes place in a distant future in which diverse human societies have developed on some 6,000 planets. Many of these worlds are shared with intelligent nonhumans, although only one alien species (the mysterious Xlv) also possesses faster-than-light travel. In an attempt to find a stable defense against the