xray

Good evening, I've developed an interest in x-ray sources and imaging techniques. There is a lot of great information out there but I feel there is gaps in my knowledge of the subject. Below I included a list of questions for anyone to answer. I don't expect one person to answer them all so I...

Hey, I plan on taking the RHS exam in the state of PA and was wondering about how long it took people to study for the exam? And any suggested books I could use to study with?