- 
  
  The Steam Engine created by Thomas Savery converts heat energy of steam into mechanical energy
 - 
  
  Created by Thomas Davenport the electric motor uses electricity to create mechanical force
 - 
  
  Created by Sir William Robert Grove the fuel cell produces electrical energy by combining hydrogen and oxygen.
 - 
  
  Created by Samuel Morse the electric telegraph sent messages across long distances using wire.
 - 
  
  Created by Alexander Graham Bell the telephone was the first practical telephone.
 - 
  
  Thomas Eddison patented the incandescent bulb.
 - 
  
  Created by Charles Brush who built the first wind turbine to generate electricity
 - 
  
  Created by Henry Becquerel who observed the production of electricity directly from the sun
 - 
  
  Created by Piero Ginori Conti who created the first geothermal power plant
 - 
  
  Created by Elmer Fridrich and Emmet Wiley the halogen lamp was used for filming.