January 7 Taconite "is a low-grade iron ore. When the high-grade natural iron ore was plentiful, taconite was considered a waste rock and not used. But as the supply of high-grade natural ore decreased, industry began to view taconite as a resource." Duluth "is a seaport city in the State of Minnesota […] Situated at the westernmost point of the Great Lakes on the north shore of Lake Superior, Duluth is accessible to oceangoing vessels from the Atlantic Ocean 2,300 miles (3,700 km) away via the Great Lakes Waterway and the Saint Lawrence Seaway ." U.S. Steel : "The United States Steel Corporation (NYSE: X), more commonly known as U.S. Steel, is an American integrated steel producer with major production operations in the United States, Canada, and Central Europe. The company was the world's 13th largest steel producer in 2010 ." Table saw safety Saw Stop (video) Interstellar IMAX: doesn't seem like there are many showing around exce...