Sweden and Norway honor scientists, economists, writers and peace activists each year with the Nobel Prize; now the United Kingdom wants to recognize engineers at the top of their field. On Nov. 17 in London, British Prime Minister David Cameron launched a $1.6-million biennial prize for engineering developments that significantly benefit humanity. To be called the Queen Elizabeth award, the prize will be open to teams of up to three people anywhere in the world.An international expert judging panel, to be named in February, will issue the first call for prize nominations. Nominations will close in July 2012 and the
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.