Technology started when early man tried to improvise tools from locally available materials such as stones, animal bones, wood and iron. While doing this, he stumbled upon numerous ideas such as the ability to generate fire by rubbing a stick at high speed.Know More
Although man’s ancestors had limited ways to advance their newly found ideas, their narrow expertise made life easier. For example, they were able to cook food to make it softer and easier to eat. Gains in the Stone Age led to the development of agricultural tools and techniques. Agriculture became a new source of livelihood and eased the pressure from hunting. From then on, modern civilization started to advance.
Many decades later, the era of information technology came about. The Soviet Union launched the first satellite, called the Sputnik, at the height of the Cold War in 1957. America was stunned, and to counter the launch, it created the Advanced Research Projects Agency to develop computer science. Although computers at that time were huge devices that filled entire rooms, they could process some information. Later, the agency succeeded in connecting four computers running independently. That simple connection gave rise to the Internet, which is a pivot point of developing other technologies.Learn more about Inventions
The sharecropping system began after the Civil War ended in 1865. By the early 1870s, sharecropping was the primary farming method used in the U.S. South. Sharecroppers usually were black families who had no other way to support themselves after slavery ended.Full Answer >
In the United States, segregation started in the 1840s. Segregation was not legal until 1896, however, when the ruling came in Plessy v. Ferguson from the U.S. Supreme Court.Full Answer >
World War II officially started when Germany invaded Poland on Sept. 1, 1939, and the war ended on Sept. 2, 1945, when the Japanese formally surrendered aboard the USS Missouri. The war in Europe ended when Germany surrendered to the Allies on May 7, 1945.Full Answer >
Sisterlocks are started by creating a precise parting grid all over the scalp, and using a locking tool to move the natural hair into a locked formation. Unlike other forms of hair locking, this does not require the use of hair gels or pomades. On the average head, Sisterlocks creates about 400 locks.Full Answer >