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What language is most widely used by people in everyday life? The question is quite simple, but may not be able to answer it. Of so many languages ​​that exist on this earth, there are some widely used ones. Let's see what the language of the most famous in the world because so many are using it.

1. Mandarin / Chines

2. Spanish
3. English
4. Hindi-Urdu (Hindustani)
5. Arabic
6. Bengali Language
7. Portuguese
8. Russian
9. Japanese
10. Punjabi Language
11. German
12. Javanese
13. Wu language
14. Marathi Language
15. Telugu Language
16. Vietnamese
17. French
18. Korean
19. Tamil
20. Language Yue

Maybe from 20 major languages ​​in the world there are some languages ​​that we never heard before. Languages ​​that are less widely known is generally circulating in the area of a country that is very much populated. While the well-known languages ​​such as italy language, Indonesian, thai language, language of Tagalog, the language of Sunda and others are not top 20 because relatively fewer users. 

Versatile inventor Thomas Alva Edison was born in 1847 in the city of Milan, Ohio, United States. Only three years of formal education he received, after it kicked out of school because the teachers think this kid dumb outstanding.

Only three years of formal education he received, after it kicked out of school because the teachers think this kid dumb outstanding. His first creation, electronic voice recorder dibikinnya when she was twenty-one years. His work was not sold. After that he earned fabrication equipment can diharapnya sold in the market, shortly after she successfully make electronic voice recorder, he discovered and perfected telegraph machine that automatically prints letters, which sold for 40,000 dollars, a huge sum at the time. After that, like queuing up he found new work, and in a short time Edison was not only famous but also the rich. Perhaps, the most original inventions are patented machine LPs in 1877. However, more famous in the world of it is the development of a practical incandescent light bulb in 1879.

However, more famous in the world of it is the development of a practical incandescent light bulb in 1879. Edison is not the first to invent an electric lighting system. A few years earlier bersinarkan light electric current has been used for lighting street lamps in Paris. However, following Edison incandescent bulb electric power distribution system that allows for the development of practical electric lighting for the home. In 1882, the company began producing electricity for homes in New York, and in a short time has been spread throughout the world. 

In 1882, the company began producing electricity for homes in New York, and in a short time has been spread throughout the world. With the establishment of the first electric company for lighting homes, Edison means it laid the foundation for the development of the industry. The use of electricity not only for lighting but for all aspects of household goods, from televisions to washing machines. Furthermore, through the use of electric power distribution networks Edison established itself encouraged the use of electricity for the industrial sector. 

Furthermore, through the use of electric power distribution networks Edison established itself encouraged the use of electricity for the industrial sector. Edison also made a major contribution for the development of outstanding film cameras and projectors. He made important improvements pertilponan (carbon transmitters improve the clarity of hearing), improvements in the telegraph, and typewriter. Among other findings include dictation machine, coffee machine and a storage battery driven. Arguably, designing over 1000 Edison invention, an amount that does not really make sense.
Arguably, designing over 1000 Edison invention, an amount that does not really make sense. One very surprising because productivity is due at the beginning of his career he built a laboratory investigation in Menlo Park, New Jersey. That's where he brought together a group capable of making that helped. This is the forerunner to a laboratory investigation later imitated by so many industries. Edison beginner modern laboratories, a fully equipped fitness investigation where so many people work with a team, his work is also important, though of course something he could not patented.
Edison beginner modern laboratories, a fully equipped fitness investigation where so many people work with a team, his work is also important, though of course something he could not patented. Edison was not only an inventor, he also engaged in the fabrication and organizing various industrial companies. The most notable of which eventually transformed into the General Electric Company.
The most notable of which eventually transformed into the General Electric Company. Although the traits he is not a pure scientist, Edison make a scientific discovery. In 1882 he found that in a state approaching vacuum, electric current can flow between the two wires are not touching each other. This phenomenon - called Edison's invention - not only has important theoretical meaning, but also have a practical use meaningful sense. This led to the development of the vacuum tube and the foundation of the electronics industry. 

This led to the development of the vacuum tube and the foundation of the electronics industry. Almost all my lifetime, Edison suffered from weak hearing. But, even so, he is more than able to overcome it with hard work awesome. Edison married twice (his first wife died young), has three children from each wife. He died in 1931 in West Orange, New Jersey. 

He died in 1931 in West Orange, New Jersey. There is no disagreement about the talent Edison. Everyone agreed that he was the great genius inventor who ever lived. Rows findings are very useful and make considered appallingly shivering knee, although it may be partially developed by others in the space of thirty years. However, if we consider his personal discoveries, would appear to us that none of it has a decisive significance. For example, incandescent bulb, although widely used, are not irreplaceable items in the modern world. The fact is, lighting that comes from radiation and scattered out in the form of light, which works on the basis of scientific principles are entirely different, it is also widely used by people, and in our daily lives does not make any difference if we do not use incandescent light bulbs altogether. Indeed, before electric lighting use, candles, oil lamps, and gas lamps are generally regarded as a satisfactory level of lighting. 

Indeed, before electric lighting use, candles, oil lamps, and gas lamps are generally regarded as a satisfactory level of lighting. LPs tool is an ingenious invention, but no one considers the tool that was able to transform our everyday lives as well as the role that served the radio, television or telephone. Furthermore, in recent years, it has to be created with a tape recorder completely different methods, such as magnetic tape cassettes. And if there is no machine record, it's okay. Many of Edison's patents relating to improvement tools, has actually been found by others first, even in a form that can already be used. Improvements in this - although much help - can not be considered as an important meaning in a series of historical movements in general. 

Improvements in this - although much help - can not be considered as an important meaning in a series of historical movements in general. However, although none of the findings have significance Edison groundbreaking, useful also to remember that he did not just create a single tool, but more than a thousand. On the basis of these considerations I put Edison higher than such famous inventor Guglielmo Marconi and Alexander Graham Bell. 

Website 

http://memory.loc.gov/ammem/edhtml/edhome.html http://www.virtualology.com/THOMASALVAEDISON.ORG/

The Moon is the only natural satellite of Earth, and is the largest natural satellite in the Solar System 5. Moon does not have its own light source and the light comes from the moon is actually reflected sunlight.

 The average distance from the Earth-Moon center to center is 384 403 km, about 30 times the diameter of Earth. The diameter of the Moon is 3474 km, [1] a little less than a quarter the diameter of Earth. This means that the volume of the Moon is only about 2 percent of the volume of the Earth and the pull of gravity at its surface about 17 percent than the gravitational pull of the Earth. Moon revolves around the Earth once every 27.3 days (the orbital period), and the periodic variations in the Earth-Moon-Sun responsible for the phases of the Moon are repeated every 29.5 days (the period sinodic).

 The density of the Moon (3.4 g / cm ³) is lighter than the density of the Earth (5.5 g / cm ³), while the mass of the Moon is only 0.012 Earth masses. 

Months pulled by Earth's gravity does not fall to the Earth due to the centrifugal force arising from the orbit of the Moon around the Earth. The magnitude of the centrifugal force, the Moon is slightly larger than the gravitational attractive forces between the Earth and the Moon. This causes the moon farther away from Earth at a speed of about 3.8 cm / year.

 Moon is in sync with the Earth's orbit, this led to only one side of the Moon's surface that can be observed from Earth. Synchronous orbit with rotation causes kala kala revolution. 

On the moon there is no air or water. Terhasil many craters on the lunar surface which is caused by a comet or asteroid hit. The absence of air and water on the moon cause the absence of erosion causing many craters on the moon millions of years and is still intact. Among the biggest is the Clavius ​​crater with a diameter of 230 kilometers and a depth of 3.6 kilometers. The lack of air also causes no sound can be heard on the moon.

 The Moon is the only celestial objects that had visited and landed humans. The first artificial object that pass near the Moon was the Soviet Union owned spacecraft, Luna 1, the first artificial object that hit the Moon's surface was Luna 2, and the first photo of the moon's far side that was never visible from the Earth, taken by Luna 3, all these missions conducted in 1959. The first spacecraft to successfully perform the landing was Luna 9, and the successful orbit the Moon was Luna 10, both made in 1966. [1] Apollo Program of the United States is the only manned missions to date, which made six manned landings between 1969 and 1972.

Benhard Alfred Nobel, was a generous person in advancing science and peace, but some people argue that generosity because previously he has created a tool that has been killing people en masse. 

Alfred Bernhard Nobel was born in Stockholm, Sweden, October 21, 1833. He had entered school at the age of 8 years. New school year, he joined his parents moved to St. Petersburg, Russia. The father, Immanuel Nobel, then set up a factory torpedoes and mines.

In the new place, he is no longer in school but studying at home. So he got enough knowledge, parents bring the teacher to teach. Educational models that turned out pretty good and fit to the Nobel.

At age 16, he had mastered the science of chemistry. He is also proficient in various languages ​​such as English, French, German, Russian, and Swedish as his native land. With skillful speaking, he tried to write poetry and novel writing. Unfortunately, it is not finished.

Not satisfied with the knowledge that he got, he went to Paris to deepen chemistry at the age of 17 years. The following year he left for the United States and had lived there for four years. After that he returned to St. Petersburg and joined his father's company.

Return to his family coincided with the onset of the Crimean War (1853-1856) between Russia against Britain, France, Turkey, and Sardinia. Torpedoes and mines his father's production company widely used in the war. However, when the war ended, Russia does not need more torpedoes and mines. Finally, their factory was bankrupt.

After the bankruptcy, the Nobel returned to Sweden and set up factories nitro glycerin, liquid explosives. In 1864 the factory exploded and killed five employees including Nobel brother, Emil. The Swedish government banned Nobel to rebuild in the same factory.

The incident did not make the Nobel despair and despondency. He returned to experiment conquest nitro glycerin. Accidentally, he saw a nitro glycerin liquid drip into the chalky soil. The combination of nitro glycerin with calcareous soils it is born safe enough dynamite. He also produces dynamite and become rich.

However, along with the use of dynamite as a weapon of war that resulted in casualties, Nobel was sorry. Finally, in his will mentions that some of his property was donated to the advancement of science and peace.

Source: www.tokohindonesia.com

Be alert to the person who calls himself www.handphonebm.com

Alexander Graham Bell (1847-1922) was a U.S. inventor and teacher for the deaf, and he is known as the inventor of the telephone.

Born on March 3, 1847, Edinburgh, Scotland

School at the University of Edinburgh and London. 

In 1870, moved to Canada and moved to America in 1871. In the United States he began teaching deaf and dumb people, popularizing the system is called a 'visual language'. System developed by his father, Alexander Melville Bell, who showed how the lips, tongue, and throat are used to describe the sound.

In his childhood, he had been showing curiosity was greater in this world, which led him often to collect plant samples. Together with his best friend who has a grain mill which is also a neighbor, he often made ​​a fuss, and one day his father said, "Why do not you make something more useful?" When Alexander Graham Bell said, what needs to be done. And his best friend's father told me that wheat must be separated with the skin. At the age of 12 years, Alexander made ​​a simple device that combines a rotating paddle brush with a series of nails to separate the wheat with the skin. The equipment can operate properly for years, and as a 'reward', his father gives them the opportunity to play in a small workshop to create a 'new discovery'.

Since the age of 18 years, Bell has been researching the idea of ​​how to send and transfer words. In 1874 when he was working telegraph, he developed the idea of ​​a new foundation for the telephone. The experiments were done with his assistant Thomas Watson finally proved successful on March 10, 1876. A series of demonstrations using telephone, the telephone has been introduced throughout the world and led by the company, the Bell Telephone Company in 1877.

Source: children's story

Earth is the third planet from the eight planets in the Solar System. Estimated to reach 4.6 billion year age. The distance between the Earth to the Sun is 149.6 million kilometers or 1 AU (ing: astronomical unit).



Earth has a layer of air (atmosphere) and the so-called magnetic field (magnetosphere) that protect Earth's surface from the solar wind, ultraviolet rays, and radiation from outer space. This air layer surrounds the earth to a height of about 700 kilometers. The air layer is divided into Troposphere, stratosphere, mesosphere, thermosphere, and exosphere.

The ozone layer, as high as 50 kilometers, are in the stratosphere and mesosphere and protects the earth from ultraviolet rays. The difference between the earth's surface temperature is -70 ° C to 55 ° C depending on the local climate. A day in divided into 24 hours, and a year on earth equal to 365.2425 days. Earth has a mass weight of 59,760 billion tonnes, with a surface area of ​​510 million square kilometers. The density of the Earth (about 5,500 kilograms per cubic meter) is used as a unit of weight ratio of any other type of planet, the gravity of the Earth is set as 1.

Earth has a diameter of 12,756 kilometers long. Earth's gravity is measured as 10 N kg-1 be a unit of measure of the gravity of other planets, the Earth's gravity is set as 1. Earth has one natural satellite is the moon. 70.8% the earth's surface covered with water. Earth Air consists of 78% nitrogen, 21% oxygen, and 1% water vapor, carbon dioxide, and other gases.

Earth estimated to be made up in the Earth's core consists of iron-nickel-thick frozen 1370 kilometers with temperatures 4500 ° C, is also covered by a liquid outer core that is 2100 kilometers thick, and covered also by the 2800 kilometer-thick mantle of silica to form 83% of the earth, and eventually completely covered by the earth's crust about 85 kilometers thick.

The crust is thinner at the bottom of the sea which is about 5 kilometers. The crust is divided to several parts and moving through the movement of tectonic plates (the theory of continental drift) that produce earthquakes.

The highest point on the earth's surface is as high as Mount Everest at 8,848 meters, and the deepest point is the Mariana trench in the Pacific with a depth of 10,924 meters. Lake Baikal is the deepest lake with a depth of 1637 meters, the largest lake is the Caspian Sea with an area of ​​394,299 km2.

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