Light bulb

While contending for the authorship of light bulb sono l’americano Thomas Edison e l’italiano Alessandro Cruto, it is certain that this small object, invented over 800, revolutionized everyday life of people around the world.

After the discovery of’electricity, the light bulb came slowly in every home, ending up with new and modern rhythms mark the day of each individual.

Another good thing due to the advent of the light bulb was the gradual but definitive retirement of worlds oil, that in addition to not be as functional, often they ended up causing dangerous fires inside homes (Photo gives: dday.it).