David Kirkpatrick

November 14, 2008

Nanotubes may replace flash memory

From KurzweilAI.net — This sounds like another huge breakthrough utilizing carbon nanotubes.

 

Telescoping Carbon Nanotubes Can Make Flash Memory Replacment
Next Big Future, Nov. 13, 2008

Researchers at The University of Nottingham have used carbon nanotubes to make fast non-volatile memory.

 
Read Original Article>>

 

This is from the “read original article” link:

If one nanotube sits inside another — slightly larger — one, the inner tube will ‘float’ within the outer, responding to electrostatic, van der Waals and capillary forces. Passing power through the nanotubes allows the inner tube to be pushed in and out of the outer tube. This telescoping action can either connect or disconnect the inner tube to an electrode, creating the ‘zero’ or ‘one’ states required to store information using binary code. When the power source is switched off, van der Waals force — which governs attraction between molecules — keeps the Inner tube in contact with the electrode. This makes the memory storage non-volatile, like Flash memory.

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