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>.

FIRST Black General in U.S Air Force

• Benjamin Oliver Davis Jr.(1912–2002) became the first black Air Force general on October 27. 

• He also became the first black Air Force officer to complete a solo flight in 1941 and the first black man to command an airbase.

                                                               

 Source: "Air Force." Black Firsts. Canton: Visible Ink, 2003. N. pag. Credo Reference. 31 July 2006. Web. 26 June 2013               <http://www.credoreference.com/entry/blackfirsts/air_force>.

World's Smallest/Tiniest Bird

Hummingbird is the World's TINIEST Bird!

Cool facts: 

• Hummingbirds are very intelligent; they can remember every flower they have been to, and how long it will take a flower to refill

• Tongue is grooved like the shape of a “W”

• Heart beats up to 1260 times per minute

• Weight anywhere between 2-20 grams

• Body smaller than a penny

                                                

                                   Source: http://www.worldofhummingbirds.com/facts.php

World's LARGEST Office Building

U.S Pentagon is the world's LARGEST Office Building!! 

•   Pentagone Building looks like a Geomatric shape called Pentagone, which has 5 angles

• U.S initially budgeted at $35 million, but wound up costing $63 million, more than $900 today’s money

• On January 15, 1943, work completed on the new headquarters for the U.S. War Department in Arlington, Virginia.

• Pentagon was built to accommodate nearly 30,000 defense workers tasked with helping America Win WWII.

• More than 17 miles of corridors

                                                                    

source: “Pentagon.” 2013. The History Channel website. Jun 24 2013, 11:25 http://www.history.com/topics/pentagon. 

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

Great Fire in London

In 1666, London faced a unbelievable fire, which is known as " Great Fire of London" to many of us. This is what happened, on the evening of Sept. 1 1666, when Mr. Thomas Farrinor, the king's baker, failed to properly extinguish his oven, which eventually caused burning the half of London!

Here's a brief stats of Great Fire's destructive consequences in London: 

• 13,000 houses 
• 90 churches 
• Lots of public buildings 
• St. Paul's Cathedral  
• 100,000 people were left homeless 

Here's an amazing fact: only 5 people were INJURED!




Source: “Great Fire of London begins.” 2013. The History Channel website. Jun 24 2013, 9:10 http://www.history.com/this-day-in-history/great-fire-of-london-begins.

The Shortest U.S President

James Madison was the shortest president in the history of U.S presidency. Here's a very brief description of James Madison: 

•  He was only 5"4  

• James Madison (1751-1836) from Virginia, was founding father of the United States and the 4th American president.  

• He served in the office from 1809 - 1817 

• An Advocate for a strong federal government. 

• He composed the first drafts of the U.S. Constitution and the Bill of Rights and earned the nickname " Father of the Constitution

Source: “James Madison.” 2013. The History Channel website. Jun 22 2013, 3:37 http://www.history.com/topics/james-madison