Imagen:TrigaReactorCore.jpeg

This picture shows the nuclear reactor core of a Triga research reactor. Cherenkov radiation from the fuel rods is clearly visible. The ordinary water between the core and the photographer provides quite enough protection from the radiation of the core.

This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain. Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag.

From Argonne National Laboratory