XPost: sci.electronics.design, sci.physics   
   From: invlaid@invalid.com   
      
   On 11/3/2016 9:00 AM, Robert Clark wrote:   
   > Yes, that's a good example. Electric, battery-powered airplanes and   
   > helicopters already exist.   
      
   Toys.   
      
      
   > However, the key point is according to the   
   > mathematics you can get even better power-to-thrust ratio with ionic   
   > propulsion using ionizing wires at the nanoscale than helicopters achieve.   
      
   what math ? got  a url ?   
      
   >   
   >  Bob Clark   
   >   
      
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