Nanotube chip could store data for a billion years....

Time for a terabytes, probably petabytes pen drive!

Researchers have demonstrated a form of archive memory using carbon nanotubes that can theoretically store a trillion bits of data per square inch for a billion years.

The technology could easily be incorporated into today's silicon processing systems and it could be available in the next two years, a lead researcher said.

The scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory and the University of California said the new technology can potentially pack thousands of times more data into one square inch of space than today's chips.

"We've developed a new mechanism for digital memory storage that consists of a crystalline iron nanoparticle shuttle enclosed within the hollow of a multiwalled carbon nanotube," said physicist Alex Zettl, who led this research.