Some ‘Secret City’ secrets shouldn’t stay hidden D. Ray Smith/Historically Speaking Oak Ridge might be known as the “Secret City,” but sometimes, secrets are too important to stay hidden. One of these “secrets” the Oak Ridge community should be proud of is Centrus Energy’s effort to bring advanced nuclear manufacturing and innovation to East Tennessee. Right now, the company is working on advanced nuclear fuel production to ensure the country has a reliable fuel supply for the next generation of nuclear reactors — a notable mission worth recognizing. Centrus Energy’s work emphasizes that Oak Ridge is and always has been on the forefront of scientific discoveries. From fighting a global pandemic to space travel to nuclear medicine, Oak Ridge experts are making incredible discoveries and producing outstanding solutions every single day.