Thứ Sáu, 17 tháng 4, 2015

The Use of Nuclear Energy




What is nuclear energy?


Nuclear energy is a type of nuclear technology designed to extract useful energy from the atomic nucleus through the nuclear reactor control .The only method currently used as nuclear fission, although other methods may include nuclear fusion and radioactive decay. Is it good or bad? Mostly I found they said it's bad. How about you after read this blog, tell me what are you thinking about nuclear energy. Should we keep it or just stop it. Therefore, I will discuss about bad or good of the use of nuclear energy.

Base on my research they said they are good because they create a large number of energy (Currently, there are about 10-15% of world electricity output generated by nuclear energy. With a kilogram of uranium-235 can produce a quantity of electrical energy equivalent of 1,500 tons of coal), green energy(Greenhouse gas emissions are a major threat to the environment, they cause global warming and climate change. Nuclear reaction does not generate emissions, should have very little impact on the environment.), do not pollute the air (Production of nuclear energy does not emit smoke. Therefore, it does not pollute the air directly), and independent fuel.

However, in the other hand, they said they are also bad because of radiant (If these safety measures are not guaranteed, the radiation exposure may lead to environmentally serious effects on ecosystems and humans), nonrenewableThis is a fuel can be exhausted. Its depletion could cause a serious problem. The reactor will be shut down, they will still occupy a large area of ​​land and pollute the environment), developing nuclear weapons (Nuclear weapons using fission, fusion, or a combination of both reactions for demolition purposes. It is a major threat to the world because they can cause a large-scale devastation. Their impact can affect many generations), huge construction costs (Need to 10-15 years to build a nuclear power plant is complete sansone. The construction of a nuclear power plant may not be feasible), nuclear waste (Radioactivity of these elements will decrease for a while, then decays. Therefore, it must be stored and handled carefully), accidents nuclear power plant(After the incident, a large amount of radiation was released into the environment, leading to the loss of people, nature and the land), and transporting fuel and waste(waste from nuclear production process even more dangerous and should be better protected)

Overall, there are more downside than the benefit side of the use of nuclear energy, but I still want nuclear energy still develop because our earth need it, especially much because nuclear energy is an economic solution, safe and clean energy source to ensure the sustainable development of satisfying demand for power is rising worldwide, and nuclear power can compete economically and will be more competitive when taking into account the environmental costs related to the damage caused by carbon emissions.

Thứ Ba, 7 tháng 4, 2015

CLEAN WATER


Water is called the clean water when water ensure indicators such as pure water, no color, no odor, does not contain pathogens and toxic substances. There are many kind of scarcity but the most are economic water scarcity and physical scarcity. Now, water in Vietnam is very pollution, which is in economic water scarcity.



It's very dangerous, and there are many causes for pollution water but mostly is not ours fault because of the traditional culture like population growth like my family is three people now but maybe after many years we growth into five or seven and after my generation will have more, more and more. Next is the natural reason - climate change could result 15% less rain. Very last but not least, the law is legislation and resource management. Therefore, I hope we can find out some solutions for the bad things we had made. My very easy solutions is we have to use less, save more to save our planet, not only in our country but also around the world. So, if you can do that small things, just "small things", I bet you can help to save your life and your generation.
Based on my research, I found a technology turn dirty water into clean water in Israel. This machine can help save WATER and money, also. The maximum is save 400 litters/day, pretty helpfully, huh. The most place need it is Africa, I think. Each year, I read on newspaper saying that the children in Africa died because of lack of water and water pollution. So through here, I tell you what, please don't waste water, no not please, you have to do what I say because I know that you need it. Because if you lack of food, maybe around eight weeks if you enough water you will die, but if you lack of water, around no more than 1 day, absolutely, you will die.
THANK YOU FOR YOUR ATTENTION!