1900<Previous Years Next Years>
     
  1900 to 1910 – Calculators become commonplace    
       
  1900 – Electric motors proliferate    
       
  1901 – Radio signal over Atlantic by Marconi  
     
1903 – First powered flight by Wright Brothers  
     
1904– Vacuum tube (thermonic valve) by John Ambrose Fleming    
       
  1904 – Bottle making machinery by Michael J. Owens    
     
  1907 – Synthetic plastic by Leo H. Baekeland    
       
  1907 – Triode vacuum tube by Lee De Forest    
       
  1908 – Model T - start of manufacturing revolution in automobile manufacture and mass production    
       
  1908 – Cellophane discovered by Jacques Brandenberger    
       
  1913 – Moving assembly line by Ford  
       
  1914 – World War I starts  
       
  1917 – Food freezing perfected by Birdseye  
       
     
     

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