Roentgen (unit) One roentgen deposits of absorbed dose in dry air, or in soft tissue. One roentgen of X-rays may deposit anywhere from in bone depending on the beam energy. This tissue-dependent conversion from kerma to absorbed dose is called the F-factor in radiotherapy contexts. The conversion depends on the ionizing energy of a reference medium, which is ambiguous in the latest NIST definition. The roentgen has its roots in the Villard unit defined in 1908 by the American Roentgen Ray Society as "the quantity of radiation which liberates by ionisation one esu of electricity per cm of air under normal conditions
Professor Moshimo Professor Moshimo Professor Moshimo is a Recurring character in the animated television series Robotboy, and is his creator. He received a letter from Tommy Turnbull about him looking forward to his latest invention which resulted in Professor Moshimo sending Robotboy to Tommy to take care of. The Professor's Japanese fiancée Miumiu, acts as his assistant. His rivals are Dr. Kamikazi and Björn Björnson. Robotboy was Moshimo's second invention and is the main character. A prototype of Robotboy, and his was first invention. Protoboy was stolen by a young Dr. Kamakazi, who turned him to evil. However, Kamakazi made him too