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Who invented it? The guaranies.

Who were the Guaranies? The Guaranies were a people who inhabited Argentina, Brazil and Paraguay.
When was it invented? There is not an exactly date.
Why di it changed the wordl? Because it became a tradition in Chile, Uruguay, Argentina, Paraguay, and Brazil.

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Who invented?

Peter Ptrov

Who was he?

He was on bulgarian engineer that made popular microchps and LED?

When was it invented?

The digital watch was invented in 1956

Why did it change the word?

The digital watch improve more precision and new funcions (alarms, chronometer, connection with mobile devise).

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Who invented it?

It was invented by Thomas Ahearn .

Who was he?

He was a canadian inventor and a business man.

When was it invented?

It was a invented in 1882.

Why did it change the world?

It revolutionazed cooking and changed the world by offering q cleaner, more efficient, and easier-to-use alternative to traditional soild-fuel ovens.

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Who invented it? Tim Berners-Lee.

Who was he? He was a scientist.

When was it invented? In 1990s.

Why did it change the world? Because it improve the communication and makes it faster.

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Who invented? Chester Carlson.who was he?he was a physical lawyer.when was it invented? It was invented in 1938. Why did change the world? It change the world because now you can copy what someone wants.

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Who invented it? Francis J. Honn who was he? He was a vice president of technology at Carter's Ink, who invented the highlighter by accident in 1963 while trying to create a new non-permanent marker for children. When was it invented ? In 1963 There is no precise public documentation of the month and day it was invented. Why did it change the world? His invention helped to facilitate reading by highlighting what was important.

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Who inventied it? Ole F. Berga

why he invented this? He didn't like luggage

When was invited? He invited this in 1908

Why did it change the world? This was used in the military

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Who invented it?Blaise Pascual

Who was he?He was french mathematical physicist

When was it invented?1642,neither the day nor the month is know

Why did it change the world?It changed the world because,it helped us solve calculations better and made the lives of scientists and mathematicians easier

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Who invented it?

Hubert cecil booth.

Who were he?

English engineer.

When was it invented?

It was created in 1901.

Why did it change the world? Change so that women who worked as domestic workers make it easier for them to clean.

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Who invented it? Jacob Perkins. Who was he? He was an american inventor, engineer and a physicist. When was invented? On the year 1834. Why did it changed the world? because allowed for more efficient and widespread food preservation

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Who invented it? Orville and Wilbur Wright

Who were they? they were engineers

When was it invented? 17 December 1903

Why did it change the world? Because it helps you to travel around the world.

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Who inventes it? Karl Drais Von Sauerbronn.

Who was he? He was a German inventor, known for having designed and created the "walking machine" or draisine, which is considered the ancestor of the modern bicycle.

when was it invented? In 1817

Why did it change the World? due to its impact on transport, mobility, society and the economy, as well as on health and sport.

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Who invented it? Karl Benz.

Who was he? He was a German engineer and inventor.

When was it invented? 29 January 1886

Why did it change the world? It was important because it transformed the way we live, work, and move around.

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Who invented it? Guillermo Gonzalez Camarena.

Who was he? Scientist and researcher.

When was it invented? Early 1940.

Why did it change the world? Color not only enhanced the viewing experience,making programs appear more realistic and engaging, but also symbolized innovation,progress, and modernity.

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Who invented it? Charles Babbage

Who was he? he was a scientist

When was it invented? 3 may ,1941

Why did it change the world? I processed large amounts of information and allowed long distance communication

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Who invented it? Johannes Gutenberg

Who was he? he wos a goldsmith

When was is invented? in 1440

Why did it change the world? because it made books that were copied by hand. Books. Newspapers and ideas could reach everybody and everywhere

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Who invented it? Martin Cooper
Who was he? He was a physicist.
When was it invented? On April 3, 1973
Why did it change the world? People could talk anywhere. It made life faster and easier. It connected the whole word.

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who invented it? Thomas Alva Edison .

who was he? he was a inventor and scientist.

when was it invented? 21 octuber 1879.

why did it change the world?

this changed the world because

humanity had quality light source

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Who invented it? Alva J. Fisher

Who was he? He was a inventor and engineer.

When was it invented? 30 August 1908

Why did it change the word? Because improves hygiene and saves time and effort

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Who invented it? Percy LeBaron Spencer.

Who was he? He was a scientist

When ws it invented? On october 8, 1945, the first microwave

why did it change the word? The microwave changed the world because it made cooking faster and easier. pepole can now heat food in seconds, wich saves time in darly life

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Who invented it? Melitta Bentz.
Who was she? She was a housewife.
When was it invented? 20 June 1908.
Why did it change the world? Because it helps you make a cup of coffee at home.

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Who invented it? Roger L. Easton.
Who was he? He was a physicist.
When was it invented? On February 22, 1978, the first GPS satellite went to space.
Why did it change the world? Because it helps drivers find faster, better ways to get from place to place and avoid traffic.