A nanobama structure of U.S. President-elect Barack Obama's image, each made with approximately 150 million tiny carbon nanotubes, is photographed using optical and electron microscopes by University of Michigan Mechanical Engineering Department in this image released to Reuters November 10, 2008. The image, based on an original drawing by Shepard Fairey, is made of approximately 150 million tiny carbon nanotubes, which is about the number of Americans who voted on November 4, according to John Hart at University of Michigan.(Xinhua/Reuters Photo) Photo Gallery>>>