First, they promise an entirely new design tool. Imagine, for example, tiny   
   smartphones that wrap around our wrists, and flexible displays that fold out   
   as large as a television. Or photovoltaic cells and reconfigurable antennas   
   that conform to the roofs    
   and trunks of our cars. Or flexible implants that can monitor and treat cancer   
   or help paraplegics walk again. Second, flexible electronics might cost less   
   to make. Conventional semiconductors require complex processes and   
   multi-billion dollar foundries.    
   Researchers hope to print flexible electronics on plastic film the same way we   
   print ink on newspapers.   
      
   The process starts with a 100-square-foot plate of glass. To apply wires, the   
   factory coats the entire plate with metal, then covers it with a   
   photosensitive material called a resist. An extremely bright light flashes the   
   pattern of the wires onto the    
   coating, hardening the resist. In a series of steps, the factory removes the   
   unhardened resist and metal under it. Then, in another series of steps, it   
   removes the hardened resist, leaving behind the patterned metal wires.   
      
   http://phys.org/news/2013-04-flexible-electronics-electronic-devices.html   
      
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