Roentgen (unit) Roentgen (unit) The roentgen or röntgen () (symbol R) is a legacy unit of measurement for the exposure of X-rays and gamma rays. It is defined as the electric charge freed by such radiation in a specified volume of air divided by the mass of that air. In 1928 it was the first international measurement quantity for ionising radiation to be defined for radiation protection, and was an easily replicated method of measuring air ionization directly by using an ion chamber. It is named after the German physicist Wilhelm Röntgen, who discovered X-rays. Although relatively easy to measure, it had
Kevin Roentgen UK platinum #1 debut, Bright Idea (Mercury Records), which contained the UK #1 single, No Tomorrow. Orson went on to win the Brit Award in 2007 for Best International Breakthrough Act. In the Fall of 2007, Orson released the album Culture Vultures, containing the single Ain't No Party. The full length Praying Hands album entitled Dogs and Airplanes was released in October 2008. The song "Lead the Way" from the Dogs and Airplanes album is featured in a film by director, Julie Davis, called Finding Bliss that stars Leelee Sobieski, Donnamarie Recco, Denise Richards and Jamie Kennedy. In 2008, Roentgen