The development of Mass Media Television

Television !!! who does not know this one electronic goods . In today's modern era , television was once a luxury is now a non- luxury goods , even in many homes certainly have televisions . In essence , the medium of television was born because of technological developments . Starting from the discovery of the telescope Electrische as the embodiment of the idea of ​​a student from Berlin ( East Germany ) were named Paul Nipkov , find the image signal distribution system , to send pictures through the air from one place to another . The system is considered to be practical , so the trial was held transmitting and receiving television signals . This happened between the years 1883-1884 . Nipkov finally recognized as the father of television .

Television in the United States alone has begun to be enjoyed by the 1939 , which is when during the World 's Fair in New York USA union , but World War II has led to activities in the field of television it stalled . Only after that , in 1946 the activities in the field of television begins again . At that time all over the United States there are only a few pieces transmitter , but then the technology is growing rapidly , the number of TV transmitter increases with tears. 1948 is an important year in the television world because in that year there was a change of television experimental to commercial television in America .

As with other mass media , television nor can monopolized by the United States alone . When Americans are actively developing the mass media , other European countries did not want to miss . they also develop the mass media television.

The development of television is so fast that from time to time this media have an impact on people's daily lives. compared to other mass media ( radio , newspapers , magazines , books , and so on ). Television seems have special properties . Television is a combination of voice and media images that can be informative , entertainment , and education , or even a combination of the three elements . The information conveyed by television, be easy to understand because clearly audible in the audio and visible visual.

Television has a strong appeal . If the radio has power strong attraction due to the element of words , music and sound effects , then TV in addition to the three elements also have a visual element in the form of images . and This image is not drawing die , but live image that is capable of causing a deep impression on viewers . This attraction in addition to exceeding the radio, also exceeded the movie theaters , because everything can be enjoyed at home with safe and comfortable . In addition , the TV can also provide various programs others are quite varied and interesting to enjoy the community.

read more

Smallpox disease ever Dangerous in the World

In this world many types of diseases. And among the diseases that there are some dangerous disease. Even lead to a lot of people died because of the disease. But do you know what the disease was once considered the most dangerous in the world. Here's a dangerous disease in the world:

Smallpox Have you ever heard of smallpox ??? Smallpox is a disease that is contagious and dangerous in his time for humans , the disease is caused by either of two virus variants , Variola major and Variola is minor . The disease is also known by the Latin names Variola or Variola vera , which is a derivative of the Latin varius , meaning look , or varus , meaning " pimple " . The term " smallpox " was first used in Europe in the 15th century to distinguish variola from the " great pox " ( syphilis ) . 

Smallpox disease usually progresses through small blood vessels in the skin , in the mouth and throat . In the skin , will produce a typical maculopapular rash , and then , produces blisters filled with fluid . Variola major produces a more serious disease and has an overall mortality rate of 30-35 % . Variola minor causes a mild form of the disease ( also known as alastrim , cottonpox , milkpox , whitepox , and Cuban itch ) which kills about 1 % of the victims. Variola major causes major infectious complications including scar characteristics , usually on the face , which occurs in 65-85 % of the victims. Blindness due to ulceration and scarring of the cornea , and limb defects caused by arthritis and osteomyelitis are less common complications , seen in about 2-5 % of cases . 

Smallpox is believed to have appeared around 10,000 BC century . This disease killed an estimated 400,000 Europeans every year during the 18th century ( including the five kings ) , and is responsible for one third of all blindness . Of those infected , 20-60 % -and more than 80 % of. 

During the 20th century , it is estimated that smallpox is responsible for 300-500 million deaths . In the early 1950s an estimated 50 million cases of smallpox occurred in the world each year . As recently as 1967 , the World Health Organization ( WHO ) estimates that 15 million people contracted the disease and that two million died in that year . After successful vaccination campaigns throughout the 19th and 20th centuries , the WHO certified the eradication of smallpox in December 1979. To this day , smallpox is the only human infectious diseases have been eradicated.

read more