The history of Kodak all started when in the 1870s, 24-year old George Eastman was planning a vacation from his job in Rochester, New York as a bank clerk. A co-worker suggested that he make photos of his vacation and he found out that to do some photography, one has to carry a bulky load [...]

Popularity: 11% [?]

It is expect that nearly every household in the United States has at least one radio. The invention of the radio was dependent upon two previous discoveries: the electromagnet and telegraph.
The electromagnet was discovered in 1825. This discovery opened the doors to global communication! Five years later, Joseph Henry successfully transmitted an electric current via [...]

Popularity: 4% [?]