PBS
Pbs American Experience: Edison's Miracle of Light
This site explores the various challenges Edison faced upon attempting to produce electric power. It contains a historical essay, a complete list of Edison's patents, information on the AC and DC currents, recordings produced by the...
PBS
Pbs: American Experience: Technology Timeline 1750 1990
Did you ever wonder who invented something, and when it was invented? Go to this interactive timeline that highlights inventors/inventions from 1750-1990. Click on the topic to read a brief paragraph about that invention.