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          New material allows deaf-mutes to speak
          
      
          
      
          
        
          By Deng Rui in Chongqing | 
          chinadaily.com.cn |
          Updated: 2021-03-26 14:23
        
        
          
          
          
          
        

      
          


      
          
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   Tao Luqi, a former PhD student at Tsinghua University, conducted groundbreaking scientific research that enables the deaf-mute people to speak through the use of electrically charged graphene, a new material that has emerged in recent years. [Provided to chinadaily.com.cn] 
 
           

          
        
      
          
      
      
      
          
        
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