Nanotubes under Electron Microscope (IMAGE) Rice University Caption Transmission electron microscope images show a pristine boron nitride nanotube at left and functionalized nanotube at right. Rice University scientists have developed a method to make insulating boron nitride nanotubes better able to use in composite materials. Credit Martí Research Group/Rice University Usage Restrictions For news reporting purposes only. 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.