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Bringing light to homes in poor countries [Copy link] 中文

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Post time 2009-12-22 11:12:20 |Display all floors
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Post time 2009-12-22 21:42:34 |Display all floors
this is the VOA special english development report. more than one and a half  billion people around the world live without electricity  finding better ways to bring was working in the    when he is return flat was ??? to take a 14day  one day he looked in the window of the school and noticed how dark it was   aroud the world and not just school but also at home   many family use ???oil lamps. there are many problems with this lamps  they produce only a small fires  they are a big fair danger causing many
but it is still    in poor countries      when he returned to canda he began reasch ways to provide    the university of      as a professor   much long   made in janpan   he remember    in 2000   to put the system

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Post time 2009-12-23 01:22:37 |Display all floors

litening practise

this is the VOA special english development report , more than one and  a half billion people around the world live without eletrocity. Finging better ways to bring light to the poor ,It's the goal of reseachers like Devel Earven  Holiday ,In the late 1990s ,the Canadian professor was working in the power, when he was returned flight  was cancled.A delay , giving him time to  take -off fourteen  days hiking trip, In the humid air,as if he tells it ,one day he looked in the window at school,and notice how dark it was . This is the common problem for millions of chrildren around the world,and not just at school ,also at home .Many families use care-rosing  oil lamps,there are many problems with these lamps. They was only a small amout  of light,they  are danger to breathe and they are a big fire danger.Causing many injuries  and death each year.Carosing  causes less than any other forms of lighting, but it still costly in poor countries, Professor Earven Holiday says many people spend  well-over one hunden dollar one year on the fuel,when he returned to Canada , he began  reseaching ways to provide safe ,clean and  affortable  lighting.He began  experimenting meeting with LEDS. At his laboratory at university of ?in Albert. As a professor in ? energy. He already knew about the technology  like a meeting diet are small glase lamps the use  much less electrolytic  than traditional boxes and last much longer .Prodessor Earven Holiday used the white one bright white  LED made in Japan. He found it in the Internet,and connected to a bicycle power generating ,He remembered thinking he was so prided a child could raise a single dial.In 2000, as much reaserchers and  experiments ,he returned the New Power,to put the assiduous in the homeworks . He light ed up the world foundation,as now requit the homs 25 thoursand people in 21 countries .

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Post time 2009-12-24 00:23:33 |Display all floors
This is the VOA special English development report. More than one and a half billion people around the world live without electricity. Finding a better way to bring light to the poor is the goal of researches like David Earven  Holiday. In the late 1990s, the Canadian professor was working in the Paul, when his return flight was cancelled. And the delay gave him time to take a fourteen day hiking trip in the Himalayas. As he tells us, one day he looked into the window of a school and noticed how dark it was. This is a common problem for millions of children around the world not just at school but also at home. Many families use kerosene oil lamps there are problems with these lamps. They only produce only a small amount of light. They are dangerous to breathe and they are a big fire danger causing many injuries and deaths each year. Kerosene costs less than other forms of lighting, but it is still costly in poor countries. Prof Earven Holiday says many people spend well over 100 dollars a year on the fuel. When he returned to Canada, he began researching ways to provide safe, clean,  and affordable lighting. He began experimenting with light emitting diodes LEDs at his laboratory at the university of Calgary in Alberta. As a professor of renewable energy he already knew about the technology. LEDs are small glass lamps. They use much less electricity than traditional bulbs and last much longer. Prof Earven Holiday used 1 watt bright white LED made in Japan, he found it on the internet and connect it to a bycicle power generator. He remembered thinking that it was so bright a child could read by the light of a single diode. In 2000, after much research and many experiments he returned to the Paul to put the systems into homes. His Light up the World foundation has now equiped the homes of 25,000 people in 51 countries.
The one time cost of the system which consists of small solar panal, ...battery, ... which basically works forever as well as the solar panals. it's less than hundrad dollars. So one year kerosene would pay for the solar lighting system.
Now he's aiming to develop lower cost lighting systems. In January, David Earven  Holiday is leaving the University of Calgary. He has also decided to give up leadership in the Light Up the World Foundation to start a company in India.

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Post time 2009-12-24 00:36:42 |Display all floors
This is the VOA Special English Development Report.


Dave Irvine-Halliday in Mexico
More than one and a half billion people around the world live without electricity. Finding better ways to bring light to the poor is the goal of researchers like David Irvine-Halliday.

In the late nineteen nineties, the Canadian professor was working in Nepal when his return flight was canceled. A delay gave him time to take a fourteen-day hiking trip in the Himalayas.

As he tells it, one day he looked in the window of a school and noticed how dark it was. This is a common problem for millions of children around the world -- and not just at school, but also at home.

Many families use kerosene oil lamps. There are many problems with these lamps. They produce only a small amount of light. They are dangerous to breathe. And they are a big fire danger, causing many injuries and deaths each year.

Kerosene costs less than other forms of lighting, but it is still costly in poor countries. Professor Irvine-Halliday says many people spend well over one hundred dollars a year on the fuel.

When he returned to Canada, he began researching ways to provide safe, clean and affordable lighting. He began experimenting with light-emitting diodes, LEDs, at his laboratory at the University of Calgary in Alberta. As a professor of renewable energy, he already knew about the technology.

Light-emitting diodes are small glass lamps that use much less electricity than traditional bulbs and last much longer.

Professor Irvine-Halliday used a one-watt bright white L.E.D. made in Japan. He found it on the Internet and connected it to a bicycle-powered generator. He remembers thinking it was so bright, a child could read by the light of a single diode.

In two thousand, after much research and many experiments, he returned to Nepal to put the systems into homes. His Light Up the World Foundation has now equipped the homes of twenty-five thousand people in fifty-one countries.

DAVID IRVINE-HALLIDAY: "The one-time cost of our system -- which consists of a small solar panel, a little motorcycle-sized battery and a couple of LED lamps, which basically live forever, as well as the solar panel -- is less than one hundred dollars. So, one year of kerosene would pay for a solid-state lighting system."

Now his aim is to develop a lower-cost lighting system. In January, David Irvine-Halliday is leaving the University of Calgary. He has also decided to give up leadership in the Light Up the World Foundation to start a company in India.

And that's the VOA Special English Development Report, written by June Simms with Rosanne Skirble. I'm Christopher Cruise.

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Post time 2009-12-24 00:37:41 |Display all floors
This is the VOA Special English Development Report.


Dave Irvine-Halliday in Mexico
More than one and a half billion people around the world live without electricity. Finding better ways to bring light to the poor is the goal of researchers like David Irvine-Halliday.

In the late nineteen nineties, the Canadian professor was working in Nepal when his return flight was canceled. A delay gave him time to take a fourteen-day hiking trip in the Himalayas.

As he tells it, one day he looked in the window of a school and noticed how dark it was. This is a common problem for millions of children around the world -- and not just at school, but also at home.

Many families use kerosene oil lamps. There are many problems with these lamps. They produce only a small amount of light. They are dangerous to breathe. And they are a big fire danger, causing many injuries and deaths each year.

Kerosene costs less than other forms of lighting, but it is still costly in poor countries. Professor Irvine-Halliday says many people spend well over one hundred dollars a year on the fuel.

When he returned to Canada, he began researching ways to provide safe, clean and affordable lighting. He began experimenting with light-emitting diodes, LEDs, at his laboratory at the University of Calgary in Alberta. As a professor of renewable energy, he already knew about the technology.

Light-emitting diodes are small glass lamps that use much less electricity than traditional bulbs and last much longer.

Professor Irvine-Halliday used a one-watt bright white L.E.D. made in Japan. He found it on the Internet and connected it to a bicycle-powered generator. He remembers thinking it was so bright, a child could read by the light of a single diode.

In two thousand, after much research and many experiments, he returned to Nepal to put the systems into homes. His Light Up the World Foundation has now equipped the homes of twenty-five thousand people in fifty-one countries.

DAVID IRVINE-HALLIDAY: "The one-time cost of our system -- which consists of a small solar panel, a little motorcycle-sized battery and a couple of LED lamps, which basically live forever, as well as the solar panel -- is less than one hundred dollars. So, one year of kerosene would pay for a solid-state lighting system."

Now his aim is to develop a lower-cost lighting system. In January, David Irvine-Halliday is leaving the University of Calgary. He has also decided to give up leadership in the Light Up the World Foundation to start a company in India.

And that's the VOA Special English Development Report, written by June Simms with Rosanne Skirble. I'm Christopher Cruise.

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Post time 2009-12-24 09:37:23 |Display all floors

script for Bringing Light to Homes in Poor Countries

This is the VOA Special English Development Report.
More than one and a half billion people around the world live without electricity. Finding better ways to bring light to the poor is the goal of researchers like David Irvine-Halliday.
In the late 1990s, the Canadian professor was working in Nepal when his return flight was canceled. A delay gave him time to take a 14-day hiking trip in the Himalayas.
As he tells it, one day he looked in the window of a school and noticed how dark it was. This is a common problem for millions of children around the world -- and not just at school, but also at home.
Many families use kerosene oil lamps. There are many problems with these lamps. They produce only a small amount of light. They are dangerous to breathe. And they are a big fire danger, causing many injuries and deaths each year.
Kerosene costs less than other forms of lighting, but it is still costly in poor countries. Professor Irvine-Halliday says many people spend well over 100 dollars a year on the fuel.
When he returned to Canada, he began researching ways to provide safe, clean and affordable lighting. He began experimenting with light-emitting diodes, LEDs, at his laboratory at the University of Calgary in Alberta. As a professor of renewable energy, he already knew about the technology.
Light-emitting diodes are small glass lamps that use much less electricity than traditional bulbs and last much longer.
Professor Irvine-Halliday used a one-watt bright white L.E.D. made in Japan. He found it on the Internet and connected it to a bicycle-powered generator. He remembers thinking it was so bright, a child could read by the light of a single diode.
In 2000, after much research and many experiments, he returned to Nepal to put the systems into homes. His Light Up the World Foundation has now equipped the homes of 25,000 people in 51 countries.
DAVID IRVINE-HALLIDAY: "The one-time cost of our system -- which consists of a small solar panel, a little motorcycle-sized battery and a couple of LED lamps, which basically live forever, as well as the solar panel -- is less than 100 dollars. So, one year of kerosene would pay for a solid-state lighting system."
Now his aim is to develop a lower-cost lighting system. In January, David Irvine-Halliday is leaving the University of Calgary. He has also decided to give up leadership in the Light Up the World Foundation to start a company in India.
And that's the VOA Special English Development Report, written by June Simms with Rosanne Skirble. I'm Christopher Cruise.

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