First Cable Television In The United States

"In 1949, Cable television was first introduced in the United States"

• The original use of cable was to serve communities with poor over-the-air signals reception. 

• Cable TV adopted a redistribution system with a large community antenna connected by cable to individual homes.

                                            

Source: "Television." Berkshire Encyclopedia of World History, Second Edition. Great Barrington: Berkshire Group, 2011. Credo Reference. 9 Mar. 2011. Web. 29 June 2013. <http://www.credoreference.com/entry/berkwhist/television>

 

Who Invented Mouse

• In 1968, Douglas Engelbart and his colleagues at the Stanford Research Institute in Menlo Park, California

• Mr. Engelbart also the pioneer of  interactive computing with their online system NLS. 

• In a legendary live public demonstration of NLS in 1968 at the Fall Joint Computer Conference in San Francisco, Engelbart and his colleagues demonstrated the mouse

                                                                       
Source: "Mouse." Berkshire Encyclopedia of Human-Computer Interaction. Great Barrington: Berkshire Group, 2004. Credo Reference. 2 Apr. 2005. Web. 26 June 2013. <http://www.credoreference.com/entry/berkencyhci/mouse>.

Invention of Electric bulb changed Human Sleep Pattern

Today I have learned a fascinating fact about how lightbulb change human sleep pattern!

According to History Channel.. 

∆    The invention of the light bulb not only illuminated the night, but it may have permanently changed human sleep patterns. 

∆  Prior to the introduction of electric lights, people typically slept an average of 9 hours a night - at least 90 minutes more than then 7 hours or less that is now common. 

                            

Source: Andrews Evan,"11 Innovation that Changed History", Dec18,2012 http://www.history.com/news/history-lists/11-innovations-that-changed-history