Water Purification Researchers (IMAGE) Michigan Technological University Caption Physics researchers Yoke Khin Yap (not pictured), Dongyan Zhang and Bishnu Tiwari have come up with a simple way to remove nanomaterials from contaminated water. Just shake them out. Credit Michigan Tech, Sarah Bird Usage Restrictions None License Licensed 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.