light source

The steel framework that will house Brookhaven's National Synchrotron Light Source II (NSLS-II) is almost a complete, nearly half-mile ring after the last piece of structural steel was ceremonially signed yesterday afternoon. Construction workers, Brookhaven employees, and elected officials signed the last remaining piece of structural steel for the NSLS-II ring. This milestone is known as "topping out" in the construction industry. Just how big is this scientific circle? Big enough to fit the playing field of Yankee Stadium inside -- with so much extra room that you might never see a home…