Who Invented Zero '0' First? Who invented sign language?

If someone has to be scolded or if someone fails an exam or gets a low score, it is customary to say, 'You are eating Zero. We use 'zero' used in mathematics only in a bad sense. If you don't have knowledge about something, It is said that 'You are empty'.

If a person had reached the highest peak of progress but has become weak, or had earned a lot of money, earned a name, but now none of those things are there, it is said, 'You have fallen to zero.' That's all we have to hear a lot Used in a negative sense Although it has a lot of importance in mathematics.

Zero has a very big meaning. also zero has a very important role in the mathematics, physics, coding, and programming sector. Equations and problems in mathematics are unfulfilled if there is no zero in mathematics.

If there is no zero coding, programming, or app development, and software development is not complete. If there is no zero, then no math will work. Everything in this world has started from zero, so If there is no Zero, that is not a suitable or a good thing.

Do you know who discovered such an important and great thing in this world for the first time? in mathematics, The use of zero is also considered very ancient. In Europe, zero was started to be used only in the 12th century.

Who Invented Zero '0' First?

It is believed that zero has been started using in Sumeria since 4000 years ago. However, the record of the beginning of the use of Zero is ancient in Babylonia in the third century BC i.e 2300 years ago. In America, zero was used around 350 AD. People of the Mayan civilization of America used it.

In India, the mathematical use of zero started around the year 700. It is used by the mathematician Brahm Gupta. He developed the theory that subtracting the same number from the same number results in zero. As Brahm Gupta started by saying that subtracting 4 from 4 results in zero.

The use of Zero reached China from India. It reached the present Arab countries from China and from there the use of zero started in Europe around 1100 AD. From there, the use of Zero has become widespread. If there is no zero, the math will not work. Zero is so important, but we assume zero as a negative word.'

Interesting facts about Zero '0'
It is found that the record of using zero in English numericals was only in the year 1604.
The actor in the film, Samuel Joyal Mostel, was considered by his parents to be a useless son, and his parents named him Zero Mostel.
In 1742, while measuring temperature, Anders Celsius made the point where water boils at zero and freezes at 100 degrees Celsius. However, later freezing point at zero and the boiling point at 100 degrees Celsius started to be considered.
The word 'zero tolerance' is being used a lot in our country now. Like the government has adopted a zero-tolerance policy on corruption, zero-tolerance policy on syndicates, zero-tolerance policy on hooliganism, and so on. This vocabulary was initially used in English In 1972, the New York Times newspaper used the term 'zero tolerance' in English.

Who invented sign language?

Most of us watched the news broadcast in sign language on Television. In the sign language news, One would read the news orally, the other would translate it into sign language. That sign language seemed strange. Maybe sign language news is still being broadcast.

Private television companies also broadcast news in sign language, which will be a great contribution. A large number of people who can't speak and who can't hear will be able to understand the political and other events of the country. Great is the inventor of such a useful sign language.

The creation of sign language is a boon for the deaf and the speechless. Based on facial expressions, hand, and finger shapes, and movements, they can tell and explain all their feelings to their mind and other people. To use sign language, head movements, eye movements, and finger movements must be coordinated.

Such a great invention for deaf people and people who can't speak. But do you know who is the god for those people, Who invented this useful sign language? Some scientists believe that the originator of sign language is the human ancestor himself. Because, before the development of language, our ancestors used to tell their stories to others based on their hands, faces, heads, etc.

Therefore, primitive human ancestors are the inventors of sign language. However, later this language was developed by Juan Pablo de Bonnet so that people can understand and use it. In the year 1620, he wrote a book where he mentioned the letters of sign language.

This is the first sign language found. It shows which letter or sound it represents based on the different figures of the hand. The same sign language has been developed now. Sign language is also used by sea or underwater swimmers. Since it is impossible to speak in the water, it is used to communicate with friends using sign language. In July 2010, Tracy Caldwell Dyson, an astronomer from NASA, developed a new type of sign language. She used that sign language to talk directly to the deaf. That language is called 'American Sign Language'.

Interesting facts about Sign Language
Like our spoken language is different, sign language also varies from country to country. There are 35 types of sign language in America alone.
Sign language also has its own grammar like spoken language. For example, when asking a question, the eyelids should be lowered and when answering, the eyelids should be raised.
People with brain damage can also make sign language signs, but they cannot keep them in the correct order like healthy people.
American Sign Language uses only one hand, but British and German Sign Language uses both hands.
Children who do not yet speak understand sign language.
Even apes or monkeys can learn sign language and talk to other people in sign language.