Roentgen (album) Roentgen (album) Roentgen is the debut album by Hyde, released on March 27, 2002. It was released on his own label Haunted Records, a division of Sony's Ki/oon Records. The cover of the regular edition is an X-Ray of Hyde's own skull. "The Cape of Storms" was used as the theme song for the movie "Kagen no Tsuki", which Hyde starred in. An English version was released overseas on July 4. A Japanese release of the English version, titled "Roentgen English", was released on October 14, 2004. That version came with three bonus songs that were originally used as B-side's
Roentgen (unit) 1962 it was redefined. The CCU decided to define the SI unit of absorbed radiation in terms of energy per unit mass, which in MKS units was J/kg. This was confirmed in 1975 by the 15th CGPM, and the unit was named the "gray" in honour of Louis Harold Gray, who had died in 1965. The gray was equal to 100 rad. The definition of the roentgen had had the attraction of being relatively simple to define for photons in air, but the gray is independent of the primary ionizing radiation type, and can be used for both kerma and