Has a museum any legal or moral right to ancient artifacts taken from countries without permission or bought on the black market. After visiting many museums,I had an overwhelming feeling that many,...
My wife has made a beaded necklace, she used antique style beads ,her problem is the findings are a bright silver. Would anyone know of way to dull this silver ,also this shouldn't rub of when wearing...
Re question 19/4/08 what im trying to work out is how you weigh these emissions , It may work out on paper as an equation, but how can you have a tonne of gas when it dosn't weigh anything . Also how...
There is much talk about carbon emissions, e.g. power station releases many tons per year . If carbon emissions float away from the chimmney and are lighter than air . How are these emissions weighed?