Ancient Inventions

8. Albert Einstein
   A short article about Albert Einstein.
   http: //150.si.edu/150trav/remember/r815.htm
   
   
9. Alberto Santos-Dumont
   
   http: //academickids.com/encyclopedia/a/al/alberto_...
   
   
10. Alessandro Volta
    
    http: //academickids.com/encyclopedia/a/al/alessand...
    
    
11. Alexander Graham Bell
    
    http: //academickids.com/encyclopedia/a/al/alexande...
    
    
12. Alfred Nobel
    
    http: //academickids.com/encyclopedia/a/al/alfred_n...
    
    
13. Alternating current
    
    http: //academickids.com/encyclopedia/a/al/alternat...
    
    
14. Amphibian vehicle
    
    http: //academickids.com/encyclopedia/a/am/amphibia...
    
    

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