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Benjamin Franklin was the first scientist-inventor and entrepreneur in American history to enjoy international repute. In order to probe for electricity.

Franklin and other works (20 photos) Suo once made the famous "Philadelphia Kite Experiment", which made remarkable achievements in electricity, in order to delve into the laws of electrical motion, created many special terms such as positive electricity, negative electricity, electrical conductors, batteries, charges, discharges, etc. He borrowed the mathematical concept of positive and negative, and the first to scientifically use the concepts of positive and negative electricity to represent the properties of electric charges. He also put forward the idea that electric charges cannot be created or destroyed, and later generations discovered the law of conservation of electric charges on this basis.

He was the first to put forward the idea of lightning rods, and the lightning rods created from this avoided lightning disasters and broke people's superstitions about lightning and lightning. He was also an important figure in the history of physics, he was a good politician, a veteran of the American Revolution. He participated in the drafting of the Declaration of Independence and the U.S. Constitution, and actively advocated the abolition of slavery, which was deeply revered by the American people.

He was the first U.S. ambassador abroad (France), so he also enjoys a high reputation in the world. His contributions to science were not only in the field of electrostatics, but also in a wide range of studies. Mathematically, he created the 8th and 16th magic squares, which are still praised by scholars today.

In thermal, he improved the furnace for heating, saving three-quarters of the fuel. In optics, he invented bifocal glasses for the elderly, which can see both near and far. He mastered French, Italian, Spanish and Latin.

He was the first American scholar, the first philosopher, and the first ambassador abroad. He invented rocking chairs, street lights, lightning rods. The currents in the Gulf of Mexico were discovered.

Four-time governor of Pennsylvania. A law on the dissemination of information was enacted. Draw a storm map first.

Discover the harmfulness of people's exhaled air. Be the first to explain the Northern Lights. He is known as the father of modern dentistry.

The fire department was the first to be organized. The modern postal system was established. The modern law on the election of parliamentarians was created.

The cause of the cold was discovered. Pellet fertilizer was invented. He designed white linen clothing for summer wear, and designed the earliest swimming goggles and frog flippers.

In addition, he has made many achievements in meteorology, geology, acoustics and ocean navigation. At 11 o'clock in the evening of April 17, 1790, Franklin died suddenly. His tombstone is inscribed with the words "Franklin the Printer"...

Franklin was French. Benjamin Franklin has an international reputation as a scientist and inventor whose lightning rod not only dispels superstition, but also avoids lightning strikes.