We bet you won't score a 7 or better
1. In 1953, RCA was credited with which invention/discovery?
      
       
     Musical Synthesizer 
 
 
       
     Barbed Wire 
 
 
       
     Carborundum 
 
 
       
     Machine Gun 
 
 
    
 
     Musical Synthesizer 
 
 
       
     Barbed Wire 
 
 
       
     Carborundum 
 
 
       
     Machine Gun