|  | 
         
          | Description: 
             This diagram depicts a 
            molecular switch. The red sphere represents an oxygen atom and the 
            blue sphere a nitrogen atom. The top molecule is in an on position, 
            representing a 1. The bottom molecule is in the off position, representing 
            a 0. |   
          | Source: 
             Hewlett-Packard Laboratories |   
          | Story:  Molecule 
            toggle makes nano logic TRN March 26/April 2, 2003
 |   
          | TRN Categories: 
             Biological, Chemical, DNA 
            and Molecular Computing; Nanotechnology; Chemistry |   
          | Form: 
             Still |  |