Lexile: 850L
In 1969, Neil Armstrong rode on a rocket to
become the first person to step on the moon. This was not due to the invention
of the rocket. It was thanks to computer-based technology. The latter half of
the 20th century has produced more technologically brilliant
inventions than in all of history combined. Here are just three of the
revolutionary high-tech inventions from the past half century that have
reshaped our world.
A list of great inventions must always
start with the modern computer. Advances in computers take place at a
breathtaking rate. The first computer, ENIAC, was built in 1946 and weighed 30
tons. Today, a pocket calculator is more powerful. Computers have become an
essential part of our lives. They are the brains in all of our modern devices –
automobiles, the airplane, even our microwave ovens. The world could not
revolve today without the help of computers.
Computers have played a large role in creation
of our second invention – the mobile phone. On mobile phones, we can
communicate, play games, and even do our shopping. However, that is not why
they are so revolutionary. Mobile phones give us the unprecedented ability to
move and travel, yet still be connected to other people. Like the automobile, mobile
phones have given us the freedom to go and be anywhere. We are no longer bound
by where we are on the planet.
The last, great invention is not technically
even a machine. It is the Internet. It has given us the ability to discover and
interact with information, people, and ideas in ways never possible before. The
Internet is truly a window to the world. While media of the past such as radio
and television let us see and hear the world, the Internet allows us to reach
out, grab, and change it.
These three inventions are amazing displays
of technology. However, these inventions are the greatest in the 20th
century because they improve our lives. They have opened the doors to our
future.
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