Roentgen (unit) this derivative quantity the roentgen equivalent physical (rep) to distinguish it from the ICR roentgen. The introduction of the roentgen measurement unit, which relied upon measuring the ionisation of air, replaced earlier less accurate practices that relied on timed exposure, film exposure, or fluorescence. This led the way to setting exposure limits,and the National Council on Radiation Protection and Measurements of the United States established the first formal dose limit in 1931 as 0.1 roentgen per day. The International X-ray and Radium Protection Committee, now known as the International Commission on Radiological Protection (ICRP) soon followed with a limit of
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