-: Inventions
and inventors:-
An invention is something that
humans have created that did not exist
before. But scientists do not just come
up with new inventions, they also
develop new ways of thinking about
how the world works.
1.The Age of Steam(1700-1900):-
Steam engines could
perform much more
work than animals.
They were used to power
everything from factory
machinery to trains and
helped kick-start the
Industrial Revolution. -inventions and inventors
2.The invention of paper:-
The Chinese produced
the first paper from
a mixture of tree bark,
plant fibers, and rags
mixed to a pulp and
then squeezed flat.-inventions and inventors
3.The invention of gunpowder:-
China was also responsible
for gunpowder, an explosive the mixture of sulfur, charcoal, and
potassium nitrate, which they
used in fireworks and fire.-inventions and inventors
4.The Laws of Motion:-
One of the leading scientists
of his day, Sir Isaac Newton
devised important theories
explaining how gravity
works and how
things move.-inventions and inventors
5.The invention of cars:-
The invention of the gasoline-powered
automobile by Karl Benz at the end
of the 19th century eventually brought
the Age of Steam to an end.-inventions and inventors
6. The X-rays discovered(1990):-
Wilhelm Röntgen discovered X-rays,
which can be used to produce
images of bones inside the body.
This transformed medicine.-inventions and inventors
7. The Invention of the World Wide Web:-
The British computer scientist Tim Berners
Lee linked up the world with his invention
of the World Wide Web, a global computer a communication system that uses the Internet. -inventions and inventors
8.The invention of the microchip(1958):-
The first computers were
big and slow. However,
Jack Kilby’s invention of
the microchip (a set of
electronic components
etched on to a tiny
silicon chip) allowed
the development
of smaller, faster
computers. -inventions and inventors
9.Discovery of penicillin(1928):-
Antibiotics have saved millions
of lives. The first antibiotic,
penicillin was discovered by
accident by Alexander Fleming,
when he noticed a strange mold
killing the bacteria in a Petri dish.-inventions and inventors
10.Agriculture:-
The development of
farming in Mesopotamia
allowed people to settle in
permanent communities
for the first time. This led
to the development of large
towns, such as Babylon.-inventions and inventors
11.The invention of the wheel:-
Invented in Mesopotamia, the first wheels
were used as potters wheels and were
later attached to vehicles for transportation.-inventions and inventors
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