"To reach a goal you need 1% inspiration and 99% perspiration" believed Thomas Edison. Thomas Edison was a pioneer of history; he had changed the world with his ingenious invention the light bulb. Life without the light bulb was very difficult. People had to go to sleep at a certain time and wake up earlier to have a productive day. Today people take the light source for granted and they do not see the importance of it until a blackout occurs. In 2003, there was a blackout due to electrical power loss for one summer day. Although it lasted for only one day it helped people realize the importance of the light. People were forced into using candles and flashlights. The light bulbs allow us to stay awake longer and wake up earlier. Although the invention of the light bulb is very useful, it bears negative consequences. The light bulb is...