Roentgen (unit) absorbed dose in a wide range of matter. When measuring absorbed dose in a human due to external exposure, the SI unit the gray, or the related non-SI rad are used. From these can be developed the dose equivalents to consider biological effects from differing radiation types and target materials. These are equivalent dose, and effective dose for which the SI unit sievert or the non-SI rem are used. The following table shows radiation quantities in SI and non-SI units: Roentgen (unit) The roentgen or röntgen () (symbol R) is a legacy unit of measurement for the exposure of X-rays
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