Global Stories » technology

Photovoltaic Power Generation

spiri — Wed, 06 Feb 2008 04:05:10 +0000

1. Global warming is a problem that has the attention of Society these days.

2. The development of renewable energy can help solve environmental problems.

3. Photovoltaic power generation is called solar power generation, and is a kind of renewable energy.

4. It is a power generation method to convert the energy of sunlight into electric power generation immediately.

5. The photovoltaic generation system is composed of the solar panel, the battery and the inverter, etc.

6. The Fossil fuels are not used, and the greenhouse gas is not exhausted.

7. Electricity is generated only during daytime, but the initial cost is high.

by Baatarsuren Bars

Source: Wikipedia (http://ja.wikipedia.org/wiki/)

http://www.mitsubishielectric.co.jp/service/taiyo/what/index_b.htm

Cloning Technology

spiri — Wed, 06 Feb 2008 03:52:33 +0000

1. Cloning technology which is to make an exact copy of a plant or animal by taking a cell from it and developing it artificially.

2. Cloning has advantages. For example, it gives stable supply of food and be helpful to protect endangered animals.

3. It is scarcely used for people due to related ethical problems.

4. However if we use this technology for people, there might be many good results.

5 For example, we can make artificial organs and transplant organs easily.

6. This technology has many good uses, but it has many problems, too.

by Naoki Hayashi

Source

http://www.mext.go.jp/a_menu/shinkou/shisaku/kuroun.htm

Cloned Animal Dolly

spiri — Wed, 06 Feb 2008 01:20:37 +0000

1. Most famous cloned animal is probably the sheep Dolly. She was born in Scotland in 1996.

2. She is the first cloned mammal made from adult sheep’s differentiated cell. The sheep’s original cell was a old sheep. This fact was unbelievable then.

3. Dolly was world news. There were various opinions. Some people requested scientists to clone dead people.

4. She was suspected that she can’t have her child. But she has borne 4 babies.

5. Dolly died in 2003. She was 6 years old. She was killed painlessly because she was ill. She was made and killed by man.

by Yoshiko Baba

Source

http://www.time.com/time/2007/cloning/index.html

http://www.biotech-house.jp/glossary/glos_108.html

Tech Outflow from Japan

spiri — Tue, 05 Feb 2008 06:45:38 +0000

①Recently, in Japan, talented technologists and engineers tend to go abroad. Why is it happening?　Here are some reasons.

②In the US and some European countries, the social status of technologist and salary are much higher than those in Japan.

③And they have the efficient system that leads laboratories to market or business.

④ Now Japan is separated from a global trend called “a talented-people scramble.” We should consider the problem and make our system better.

by Tatsuki Tsukidate

Sources:

http://www.jcer.or.jp/column/kojima/index46.html

http://hisaku.rikoukei.co.jp