Gamma rays are used in many different ways; one of the most common uses is inspecting castings and welds for defects that are not visible to the naked eye. Another common use of gamma rays is in the treatment of certain ... More »

Gamma rays are used in medical applications to treat cancer and to sterilize equipment. Gamma rays are also used as medical tracers to locate tumors. More »

The benefits of gamma rays are most clearly seen in the medical field, where they are used to treat cancers and tumors. A technology called the gamma ray knife uses concentrated gamma ray beams to target and destroy canc... More »

Gamma rays are used in medical applications to treat cancer and to sterilize equipment. Gamma rays are also used as medical tracers to locate tumors. More »

Gamma rays are dangerous because they cause cellular damage that leads to DNA damage, cancer and radiation sickness. Because gamma rays are such a high-intensity, ionizing form of radiation, they pass through normal prot... More »

Gamma ray telescopes use special detectors to measure gamma radiation from stars. Unlike conventional telescopes, gamma ray telescopes don’t take pictures or use optics. Instead, they create maps of gamma sources based o... More »

Gamma rays have the shortest wavelength of the electromagnetic spectrum, followed by X-rays and ultraviolet rays. Slightly longer wavelengths of electromagnetic radiation, between 4000 and 7000 angstroms in length, are v... More »