Figure 2 (IMAGE) Tohoku University Caption A brief description of the magnetic nozzle plasma thruster. The upper-left inset is a photo of the thruster operating in a laboratory. Credit Kazunori Takahashi Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. License Original content 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.