TETRA (IMAGE) Rice University Caption An illustration shows the progression of a gold seed to a crystalline, asymmetrical tetrahedron nanoparticle. The images were captured at Rice University through a technique known as liquid cell transmission electron microscopy. Credit Jones Research Group/Rice University Usage Restrictions None 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.