Turns Out That 3 Into 1 Will Go
        
        
        
        
        
        
        
        
        
          
          
          
             
          
          
          
          
          
            Metasurface material (© Wuhan University. Optical Express).
          
          
          
          
          
          
        
        
          
            For many companies involved in authentication, the technologies they deploy are aimed at preventing cyber and online attacks. But, as this report demonstrates, research into authenticating physical goods still continues apace.
          
        
          
            
              
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