Figure 2 (IMAGE) Tohoku University Caption Video-rate acquisition of 1-micron fluorescence bead suspended in water. The 3D region with a depth range of 20 microns was repeatedly recorded by 2D scanning of a light needle with a rate of 31Hz. Credit Yuichi Kozawa et al. 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.