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

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

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

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 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

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

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.

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.

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.

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.

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.

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

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

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.

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.

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).

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.