Coal upgrading technology Coal upgrading technology Coal upgrading technology refers to a class of technologies developed to remove moisture and certain pollutants from low rank coals such as sub-Bituminous coal and lignite (brown coal) and raise their calorific values. Companies located in Australia, Germany and the United States are the principal drivers of the research, development and commercialisation of these technologies. Around 30 nations collectively operate more than 1,400 brown coal-fired power stations around the world. Brown coal power stations that cannot economically dewater brown coal are inefficient and cause of high levels of carbon emissions. High emitting power stations, notably the Hazelwood
Eddie Brown (dancer) his dances were filled with syncopated steps and complex patterns. The specific style of tap that he performed and later taught to students was called “scientific rhythm.” Brown explained, “You heard all this music and rhythm but couldn’t see where it was coming from.” Eddie Brown’s natural propensity to hear and create intricate rhythms allowed him to make his mark on the world of tap dance: “A good ear ain’t good or bad, but a good ear is what you need. That’s why tap is scientific.” Eddie Brown (dancer) Eddie Brown, was a dancer born in 1918 in Omaha, Nebraska.