|  | 
         
          | Description: 
             This prototype microwave 
            drill channels microwaves down a cylinder, concentrating them beneath 
            the drill and just below the surface of concrete, glass or ceramics. |   
          | Source: 
             Tel Aviv University |   
          | Story:  Microwave 
            drill melts concrete TRN October 30/November 6, 2002
 |   
          | TRN Categories: 
             Materials Science and Engineering |   
          | Form: 
             Still |  |