Case – Study Title : SELCO - Bringing Light into People’s Lives Ms Sheetal Mahendher ,
Improving People’s Lives. Technology – is the use of science to solve problems and make...
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Transcript of Improving People’s Lives. Technology – is the use of science to solve problems and make...
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Developing New Technology
Improving People’s Lives
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Understanding Technology Technology – is the use of science to
solve problems and make people’s lives easier
Engineer – person who designs, constructs, or operates new forms of technology.
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Steps of the Design Process Engineering Design – is the process
(steps) of inventing and building products and systems that can meet human needs and solve problems. There is a 4 step process to solve people’s problems.
1. Problem Identificati
on2. Solution
Design3.
Implementation 4.
Evaluation
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Step 1: Problem Identification Identify a problem that technology might
solve. Estimated close to one billion cars world
wide.
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Step 2: Solution Design
Engineers come up with ideas of how technology can solve this problem. It is a lot like a hypothesis in the scientific method.
The design solution or product should: Meet a human need Use scientific principles Be suitable for use by one or more
persons.
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Possible solutions for air pollution might include cars that run entirely on electricity, or partly on electricity and partly on gasoline. These types of cars are called Hybrid Cars.
The proposal explains how the car might work and include drawings and models.
There would be a list of needed materials and how much they think it might cost and potential benefits and risks
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Step 3: Implementation and Testing
Once given the OK engineers starting putting the plan into action.
1st they build a prototype, which is a “working” model of a new technology. They will build several models before getting the perfect one.
2nd is the performance testing, which is taking the prototype out into the real world and see how it works.
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Step 4: Evaluation
This step is similar to analyzing your experiment using the scientific method.
Questions to answer• Does the design work as
planned?• How can the success of
the design be measured?• Does the design solve the
problem and meet people’s needs?
• Have risk been minimized?• How can the design be
improved?• What was learned that
could help produce a better design?
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Risk and Benefits
Benefits – are ways in which the technology meets people’s needs.
Risks – include how the technology may harm or endanger people or the environment.
Scientists, government agencies, and citizens decide if the benefits outweigh the risks.
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Bioengineering
Bioengineering – is the development of technology in the fields of biology and medicine.
Bioengineer – is the engineer who helps people stay healthy, grow food and make other materials they need.
They use science of living things to create new technology.
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Bioengineering and Medicine Bioengineers have developed many tools
that help doctors diagnose diseases and other medical problems.
CAT scanners - is a way of X-raying a mass in the body that allows for one to see three-dimensional views of the mass.
MRI - An MRI (or magnetic resonance imaging) scan is a radiology technique that uses magnetism, radio waves, and a computer to produce images of body structures. The MRI scanner is a tube surrounded by a giant circular magnet. The patient is placed on a moveable bed that is inserted into the magnet.
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CAT Scan
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Bioengineering in Medicines
Medicines – insulin helps control sugar levels in people who suffer from diabetes. The insulin used to come from cows and pigs, today bacteria in labs make human insulin which is safer for the patients.
The bioengineered insulin is also easier to produce in large amounts.
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Bioengineering and Devices These devices help people with
disabilities. The Adaptive Device is a device that
is changed, or adapted, for use by a disabled person. A voice-activated computer A motorized wheelchair
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The Assistive Device is any kind of technology that helps a disable person with daily life. Hearing Aids Artificial Limbs