- 
  
  Thomas Newcomen invented the steam engine; used for generating energy through steam.
- 
  
  James Hargreaves invents the spinning jenny; used for weaving.
- 
  
  James Watt improved the steam engine.
- 
  
  Eli Whitney invented the cotton gin; used for cotton separation.
- 
  
  Samuel Morse invented the telegraph; used for communicating.
- 
  
  Elias Howe invented the sewing machine; used for sewing.
- 
  
  Louis Pasteur developed vaccines in order to cure diseases.
- 
  
  Thomas Edison used a light bulb for a lamp.