ITER cross section (IMAGE) DOE/Princeton Plasma Physics Laboratory Caption This drawing of a cross section through ITER shows the pellet injection guide tubes and a sketch of a conceptual design for a boron dropper. Credit Oak Ridge National Laboratory / PPPL Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.