In LD PSAs, a laser beam is used to irradiate a dilute suspension of particles. Instead of using X-ray radiation, carbon ions are used to irradiate the patient. The ships also have active sonar, radiological detectors, laser detectors and detector for radar irradiate. Now, suppose we irradiate the atom with a broad-spectrum of light. Some unscrupulous dealers will irradiate jars to bring out colors not original to the jar.