Radiation and radioactivity is all around us. Some man-made sources and devices have contributed greatly to our standard of living. A number of these are described in the following sections. To read each section, simply press the red section number, below. When you are through with a particular section, press the "9. Useful Radiation Sources" category on the left, or use your browser's "back" button to return to this list.
Section 1 - "Nuclear Reactors"
Section 2 - "Accelerators"
Section 3 - "Food Irradiation"
Section 4 - "Industrial Uses"
Section 5 - "Medical Uses"
Section 6 - "Consumer Products"
Section 7 - "Refractory Brick"
Section 8 - "X-Ray Machines"
Section 9 - "Welding Rods (Thoriated Tungsten Electrodes)"