The United States Nuclear Regulatory Commission (USNRC) defines it as the process of radiation attenuation achieved by placing an absorbent substance between an individual, a workspace, or a radiation ...

Radiation shielding materials play a critical role in many commercial and industrial applications such as medical imaging and therapy, nuclear waste storage, space exploration, and food sterilization.

Gamma radiation is the most penetrating and energetic form of nuclear radiation. To absorb half the incoming Gamma you need two and a half inches of concrete or almost half an inch of lead. So my ...