Introduction. Chaminade University, which was founded in 1955, is a private, not-for-profit university and is the only Catholic university in Hawaii.
German scientist discovers X-rays. On this day in 1895, physicist Wilhelm Conrad Rontgen (1845-1923) becomes the first person to observe X-rays, a significant scientific advancement that would ultimately benefit a variety of fields, most of all medicine, by making the invisible visible.
Just how much radiation do you get from a dental x-ray and how harmful is it? First, let s talk about what an x-ray is. X-rays are energy in the form of waves, identical to visible light. In fact, the only difference between light and x-rays is that light doesn t have enough energy to go through your body and x-rays do.-rays are energy in the form of waves, identical to visible light. In fact, the only difference between light and x-rays is that light doesn t have enough energy to go through your body and x-rays do.