Hello, everyone, here is a fun chat, I am a chat guy.
I believe everyone knows that there is a universal currency in the world, which is the US dollar, but do you know whose head is printed on the largest banknote in the United States? Yes, he is Benjamin Franklin (Benjamin Franklin) , are you as surprised as I am when you see this? What kind of ability does he have that can be printed on 100 dollars? Today I will chat with you about this world-famous scientist and inventor.
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On January 17, 1706, Benjamin Franklin was born in Boston, a British colony at the time. His father was a candle maker and he had seventeen children in the family. The smallest one. With so many children in the family that need to be raised, one can imagine how much financial burden his birth has brought to the family.
Franklin
When he was at school age, although his family was poor and there were many children in the family, Franklin's father saw his early wisdom and sent him to grammar school when he was 8 years old_ In span2span, his grades became the first in his grade in less than a year. But because the family's financial burden was too heavy, his father forced him to drop out of school two years later, when he was ten years old. Therefore, he has only studied in school for two years in his life, but he has studied more than these two years. It can be said that he has spent his entire life studying.
At the age of 12, Franklin began to work as an apprentice in his brother's printing shop. During this time, he read a lot of books. At the age of 16, he published his first essay in a newspaper founded by his brother with his excellent writing style, which was well received. However, due to a disagreement with his brother, he eventually left the printing office. With his brother's obstruction, he could not find a job in other printing shops in Boston. So, the 17-year-old Franklin came to Philadelphia alone to make a living by printing.
At the age of 24, Franklin, who was experienced and excellent in writing, founded his own printing office with his friends and published the "Pennsylvania". Under his management, the printing office's business was booming and even started to print local banknotes. As the influence of the "Pennsylvania" in Philadelphia gradually expanded, he gradually gained fame at the age of 30, was elected chairman of the Philadelphia Assembly, and began to get involved in politics.
In 1736, Franklin successfully took the first step in politics-Secretary of the Pennsylvania State Assembly. In order to further open the door to the treasure house of knowledge and better explore science, he began to learn foreign languages. mastered French, Italian, Spanish and Latin . Therefore, his reading range has expanded again, and he has begun to widely accept the advanced achievements of the world's science and culture. At the same time, he laid a solid foundation for his scientific research. At the same time, Franklin began preparing for the establishment of an academy in 1743 to promote the improvement of the quality of the people. At the beginning of the article, he also said that he is a person who values education. After his continuous efforts, the college was finally established eight years later, this college is the predecessor of University of Pennsylvania .
University of Pennsylvania
Franklin in 1878 for youth education,Donated money to build the Franklin Marshall University named after him, and encouraged all walks of life to study systematically. He has made many contributions to education in his life, such as establishing "Common Reading Club", establishing universities and so on.
In 1757, in order to reconcile the conflict between the sovereign and the colony, 51-year-old Franklin went to the UK to lobby for 5 years before returning to Philadelphia. Britain's hardline attitude made Franklin, who did not support North American independence, change his mind. In 1776, at the age of 70, he was appointed as one of the five-member committee responsible for drafting the " Declaration of Independence ". At the same time, he accepted the mission of visiting France to seek support. In 1783, 77-year-old Franklin attended the signing ceremony of the " Paris Peace Treaty " as a representative. The United Kingdom officially recognized the independence of and the United States . In 1787, 81, he attended the Constitutional Convention and participated in the formulation of the " United States Constitution ". This constitution with the separation of powers as the dominant ideology has been in use for more than two hundred years. It has a huge impact on the United States and the world and has become the pride of Americans.
Drafting the "Declaration of Independence"
Although he was busy with official duties, he still did not stop studying and scientific research. He worked tirelessly to learn foreign languages, and gradually mastered French, Italian, Spanish, , Latin and many other languages. He carried out various electrical experiments with great enthusiasm. The famous "Kite Experiment" made him a member of the Royal Society of . Franklin’s contribution to science is not only manifested in electricity, but the books he read when he was a teenager determined his wide range of research.The research results include various industries, and will benefit the country and the people to the end. He has been involved in mathematics, thermal, and optics , and has produced important results.
In addition to these aspects, he also improved and invented various products in life, energy use, sailing, diving, etc. These inventions close to life not only created a comfortable living environment, but also made great contributions to the development of the time.
Let me talk about his contribution:
1. Electrical contribution: He once made the famous " kite experiment", explaining the theory of various electrical phenomena, and first proposed the law of conservation of charge of ; Uncover the secret of the thunder and lightning phenomenon and made a lightning rod.
2. Mathematical contribution: He created 8 and 16 magic squares . These two magic squares have special properties and complex changes, and they are still praised by scholars.
3. Thermal Contribution: He improved the heating stove, which can save three-quarters of the fuel.
4. Optical contribution: He invented bifocal glasses for the elderly, which can see things close and far away.
5. Other contributions: He invented the rocking chair,Lightning rod, improved street lights. Discovered the ocean currents in the Gulf of Mexico. Known as the father of modern dentistry, he first organized the Fire Department and established the modern postal system. Found the cause of the cold. Invented granular fertilizer and designed the earliest swimming goggles and frog webs.
6. Politically: Due to the brutal rule of the British colonists, he has served as a representative of North American colonies to negotiate with the United Kingdom several times. After the outbreak of the War of Independence, he participated in the drafting of the Second Continental Congress and the Declaration of Independence. In 1776, the 70-year-old Franklin went to France and won the support of the French and European people for the War of Independence .
These contributions, he must be eligible to appear on 100 dollars. In fact, the reason why he is so respected by Americans is not only because he has made great achievements in business, science, and politics, but also because of his ordinary background, but relying on his own diligence and pragmatism to create these myths step by step, he became It is a representative of the American spirit in people’s hearts.
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