David Knuffke Is an Educator Based on Long Island.

You can learn more about his work here.

      

  
     
    
       
        
           
        
           
                
           
        
           
        

        
         
             Cat with bionic, prosthetic legs. 

 via   www.wired.com

Cat with bionic, prosthetic legs. via www.wired.com

Cat with bionic, prosthetic legs.

via www.wired.com