Gamma knife is a device used to treat brain tumors with a high dose of radiation (201 cobalt-60 sources) therapy in one day. The gamma knife device placed in circular array in heavily shielded assembly. The device aims gamma radiation through a target poi
Price: 10
Abandoned old farm building: farm with an abandoned log barn and a ruined log house in a grassy field. Newly sprouted grass growing through the old dead grass. Image taken in the afternoon in spring. Rural scene in Alberta
Price: 10
