Thursday, August 14, 2008

Nuclear power

Nuclear power is generated using Uranium, which is a metal mined in various parts of the world.
The first large-scale nuclear power station opened at Calder Hall in Cumbria, England, in 1956.
Nuclear power stations work in pretty much the same way as fossil fuel-burning stations, except that a "chain reaction" inside a nuclear reactor makes the heat instead.
The reactor uses Uranium rods as fuel, and the heat is generated by nuclear fission. Neutrons smash into the nucleus of the uranium atoms, which split roughly in half and release energy in the form of heat.
Carbon dioxide gas is pumped through the reactor to take the heat away, and the hot gas then heats water to make steam.

The steam drives turbines which drive generators.
Modern nuclear power stations use the same type of turbines and generators as conventional power stations.


Advantages
Nuclear power costs about the same as coal, so it's not expensive to make.

Does not produce smoke or carbon dioxide, so it does not contribute to the greenhouse effect.

Produces huge amounts of energy from small amounts of fuel.

Produces small amounts of waste.

Nuclear power is reliable.


Disadvantages
Although not much waste is produced, it is very, very dangerous.
It must be sealed up and buried for many years to allow the radioactivity to die away.

Nuclear power is reliable, but a lot of money has to be spent on safety - if it does go wrong, a nuclear accident can be a major disaster. people are increasingly concerned about this

3 comments:

malayalee said...

ലോകമെമ്പാടുമുള്ള 1000കണക്കിന്‌ മലയാളീകളെ കണ്ടെടുക്കുക

നിങ്ങള്‍ ആഗ്രഹിക്കുന്നുവെങ്കില്‍ നമുക്ക് ഒന്നായി ചേര്‍ന്ന് ഒറ്റ സമൂഹമായി ഒരു കുടക്കീഴില്‍ അണിചേര്‍ന്നിടാം. നിങ്ങളുടെ ചിന്തകളും വികാരങ്ങളും പരസ്പരം പങ്കു വയ്ക്കാന്‍ ആഗ്രഹിക്കുന്നുവോ ? ദയവായി ഇവിടെ ക്ലിക് ചെയ്യുക http://www.keralitejunction.com

ഇതിന്‌ ഒപ്പമായി മലയാളീകളുടെ കൂട്ടായ്മയും ഇവിടെ വീക്ഷിക്കാം http://www.keralitejunction.com

malayalee said...

ലോകമെമ്പാടുമുള്ള 1000കണക്കിന്‌ മലയാളീകളെ കണ്ടെടുക്കുക

നിങ്ങള്‍ ആഗ്രഹിക്കുന്നുവെങ്കില്‍ നമുക്ക് ഒന്നായി ചേര്‍ന്ന് ഒറ്റ സമൂഹമായി ഒരു കുടക്കീഴില്‍ അണിചേര്‍ന്നിടാം. നിങ്ങളുടെ ചിന്തകളും വികാരങ്ങളും പരസ്പരം പങ്കു വയ്ക്കാന്‍ ആഗ്രഹിക്കുന്നുവോ ? ദയവായി ഇവിടെ ക്ലിക് ചെയ്യുക http://www.keralitejunction.com

ഇതിന്‌ ഒപ്പമായി മലയാളീകളുടെ കൂട്ടായ്മയും ഇവിടെ വീക്ഷിക്കാം http://www.keralitejunction.com

Bijoy said...

Dear mekkattu


Happy onam to you. we are a group of students from cochin who are currently building a web portal on kerala. in which we wish to include a kerala blog roll with links to blogs maintained by malayali's or blogs on kerala.

you could find our site here: http://enchantingkerala.org

the site is currently being constructed and will be finished by 1st of Oct 2009.

we wish to include your blog located here

http://mekkattu.blogspot.com/


we'll also have a feed fetcher which updates the recently updated blogs from among the listed blogs thus generating traffic to your recently posted entries.

If you are interested in listing your site in our blog roll; kindly include a link to our site in your blog in the prescribed format and send us a reply to enchantingkerala.org@gmail.com and we'll add your blog immediatly.

pls use the following format to link to us

Kerala

Write Back To me Over here bijoy20313@gmail.com

hoping to hear from you soon.

warm regards

Biby Cletus