Low-Power Memory from Nanotubes

A rival to flash memory that requires one percent as much power could improve battery life in mobile devices.
MIT Technology Review: 11 March 2011

Image (from MIT Technology Review): Itty bitty bits: Three low-power phase-change memory bits are positioned between carbon-nanotube electrodes that have been colorized. The middle bit is “off” and the other two are “on.” The bits are arrayed on a silicon substrate that has been colored light blue.
Credit: Feng Xiong and Alex Jerez