|  | 
         
          | Description: 
             These nanowires, each 3,000 
            times finer than a human hair, form a NOR logic gate. Computer chips 
            are made of thousands of logic gates. The inset in the lower right 
            corner is the NOR gate symbol. |   
          | Source: 
             Lieber Group, Harvard University |   
          | Story:  Crossed 
            nanowires compute TRN November 14, 2001
 |   
          | TRN Categories: 
             Nanotechnology; Integrated 
            Circuits |   
          | Form: 
             Still |  |