Why the Triple Axel is a Big Deal
It's one of the most difficult moves in sports. So difficult that only two American women — Tonya Harding and Mirai Nagasu — have every landed it in competition. Vox looks at the science behind the triple axel to find out why it's so hard and wows judges.


 
        
       
     
    
   
    
   
  
      
    
  
  
     
  
      
    
  
  
     
    
   
    
   
  
      
    
  
  
     
  
      
    
  
  
     
    
  