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Ch.22 -Technology-Notes

5 pages39 viewsWinter 2011

Course Code
Malcolm Mac Kinnon

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- Technology was widely defined as the application of scientific principles to the improvement of human
- The most infamous technological disasters of the 1970s and 1980s include the following:
An outbreak of Legionnaires disease in a Philadelphia hotel in 1976 killed 34 people. It alerted the
public to the possibility that the very buildings they live and work in can harbour toxic chemicals, lethal
moulds, and dangerous germs.
In 1977, dangerously high levels of toxic chemicals were discovered leaking into the basements and
drinking water of the residents of Love Canal, near Niagara Falls, New York. This led to the immediate
shutdown of an elementary school and the evacuation of residents from their homes.
- German sociologist Ulrich Beck also coined a term that stuck when he said we live in a risk society. A
risk society is a society in which technology distributes danger among all categories of the population.
Some categories, however, are more exposed to technological danger than others are. Moreover, in a risk
society, danger does not result from technological accidents alone. In addition, increased risk is due to
mounting environmental threats. Environmental threats are more widespread, chronic, and ambiguous
than technological accidents.
- Neil Postman (1992) refers to the United States as a technopoly. He argues that the United States is
the first country in which technology has taken control of culture. Technology, he says, compels people to
try to solve all problems using technical rather than moral criteria, although technology is often the
source of the problems.
Technology and People Make History:
- Russian economist Nikolai Kondratiev was the first social scientist to notice that technologies are
invented in clusters. As Table 22.1 shows, a new group of major inventions has cropped up every 40 to 60
years since the Industrial evolution. Kondratiev argued that these flurries of creativity cause major
economic growth spurts beginning 10 to 20 years later and lasting 25 to 35 years each. Thus, Kondratiev
subscribed to a form of technological determinism, the belief that technology is the major force
shaping human society and history.
- They did not become engines of economic growth until social conditions allowed them to do so. The
original steam engine, for instance, was…
- So we see it would be wrong to say, along with strict technological determinists, that Daimlers internal
combustion engine caused the growth of the car industry and petroleum industries. The car and
petroleum industries grew out of the internal combustion engine only because an ingenious entrepreneur
efficiently organized work in a new way and because a chance event undermined access to a key element
required by his competitors product.
Environmental Degradation:
- The side effect of technology that has given people the most serious cause for concern is environmental
degradation. It has four main aspects: global warming, industrial pollution, the decline in biodiversity,
and genetic pollution
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Global Warming:
- Ever since the Industrial Revolution, humans have been burning increasing quantities of fossil fuels
(coal, oil, gasoline, natural gas, etc.) to drive their cars, furnaces, and factories. Burning these fuels
releases carbon dioxide into the atmosphere. The accumulation of carbon dioxide allows more solar
radiation to enter the atmosphere and less heat to escape. This is the so-called greenhouse effect. Most
scientists believe that the greenhouse effect contributes to global warming , a gradual increase in the
worlds average surface temperature.
- It seems that global warming is causing the oceans to rise. That is partly because warmer water
expands and partly because the partial melting of the polar ice caps puts more water in the oceans. In the
twenty-first century,
this may result in the flooding of some heavily populated coastal regions throughout the world. For
instance, a one-metre (three-foot) rise in the sea level would flood about 12 percent of the surface area of
heavily populated Egypt and Bangladesh.
Industrial Pollution:
- Industrial pollution is the emission of various impurities into the air, water, and soil through industrial
processes. It is a second major form of environmental degradation
- Pollutants may affect us directly. For example, they seep into our drinking water and the air we
breathe, causing a variety of ailments ranging from asthma to cancer, particularly among the young and
- They can also affect us indirectly. For instance, sulphur dioxide and other gases are emitted by coal-
burning power plants, pulp-and-paper mills, and motor-vehicle exhaust. They form acid rain, a form of
precipitation whose acidity eats away at, and eventually destroys, forests and the ecosystems of lakes.
Another example: CFCs used to be widely used in industry and by consumers, notably in refrigeration
equipment. They contain chlorine, which is responsible for the depletion of the ozone layer 8 kilometres
to 40 kilometres (5 miles to 25 miles) above the earths surface. Ozone is a form of oxygen that blocks
ultraviolet radiation coming from the sun. As more ultraviolet radiation reaches ground level, rates of
skin cancer increase. Although CFC production has now been stopped, CFCs already in the atmosphere
continue to eat away at the ozone layer. In fact, global warming is speeding up the chemical processes
that result in ozone depletion.
The Decline in Biodiversity:
- The third main form of environmental degradation is the decline in biodiversity, the enormous variety
of plant and animal species inhabiting the earth. Biodiversity changes as new species emerge and old
species die off because they cannot adapt to their environment. This is all part of the normal evolutionary
process. However, in recent decades the environment has become so inhospitable to so many species that
the rate of extinction has accelerated to at least 100 times beyond the natural or background rate. Some
15 589 plant and animal species face a high risk of extinction in the near future
- The single richest source of genetic material with pharmaceutical value is found in the worlds rain
forests, particularly in Brazil, where millions of species of life exist. However, the rain forests are being
rapidly destroyed by strip mining, the construction of huge pulp-and-paper mills and hydroelectric
projects, and the deforestation of land by farmers and cattle grazers.
Genetic Pollution:
- Genetic pollution is the fourth main form of environmental degradation. It refers to the health and
ecological dangers that can result from artificially splicing genes together Since 1990, governments and
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