科技改变生活英语PPT课件

in the world in a matter of hours.
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8. The Airplane
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7. The Automobile
Though under development in Europe during the nineteenth century, the automobile didn’t really become a practical and reliable source of transportation until the twentieth century. 2013, China's automobile production and sales both more than 20 million, has been reelected for five consecutive years in the world. The number of private cars in China reached one hundred million.
invented and discoveries made in the last century that
it’s difficult to pare the list down to just the ten.
However, now we look back to those ten innovations or
Science and Technology Are Changing Our Life
Wang M F 2014-4-8
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There can be no doubt that the twentieth century
is one of the most remarkable in human history for its
steam power had been to the nineteenth: a game
changer. Suddenly humanity had a power source that
didn’t pollute, was efficient and practically
unlimited, and so had the potential to change the
computers. Of course, they have been around since World War
Two, but they were clunky, massively expensive things that had
all the calculating power of a brick. When Steve Wozniak and
weapons of war and, even more vitally, as our means of
Stephen Jobs introduced the Apple in 1976, however, it
changed everything and the rest is, as they say, history.
7wk.baidu.com
8. The Airplane
Just as the locomotive made the world a smaller
technologies that have had the greatest influence on
humanity—both positively and the negatively.
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10. Nuclear Power
Nuclear power was to the twentieth century what
planet overnight. Unfortunately, it was a two-edged
sword in that this same energy source could be used to
create the most destructive weapons in history,
world from experiencing a third world war.
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10. Nuclear Power
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10. Nuclear Power
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10. Nuclear Power
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9. The Personal Computer
It’s difficult to imagine our world today without
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6. Rocketry
In the twentieth century, rockets became bigger
and more powerful. Most importantly, they became
controllable, which suddenly made them useful both as
place in the nineteenth century, the airplane did the
same for us in the twentieth century, shrinking our
planet to the point that a person could fly anywhere
previously unparalleled rate of technological advances
and scientific discoveries, a rate that continues to
this day. In fact, there were so many new technologies
threatening human survival with its very
presence. However, it is hard to deny the overall
positive impact nuclear power has had. The fear of
mutually assured destruction probably prevented the