Hi, I just want to open this topic that if someone has created another source of energy (to face-out this oil/gas that continuesly harms our environment), can that person live a normal life? I heard some story that there are persons who has discovered/invented to lessen the use of gasoline (even to triple the mileage in just a liter of gas) and they were offered with big amount of money by this big oil company (or oil loyalists) just to disappear, others just disappear, and still that new tech/invention never came/reach out to the market for mass production. They try to promote biofuel but at high cost and until when we can all use it. Even if its available but its too expensive, then we'll get back to oil again! Soon there will be a new source - environment friendly, but don't know whom to trust and to get a security from those smart oil loyalists (sol). Oil dependency should've been face-out 20 yrs ago!

If you've got a product that can out-compete oil, you'll get more money from out-competing them than they could bribe you with... by definition. As far as cost goes... hydrogen based fusion is pretty much the perfect way to produce energy, as it costs basically nothing for the raw materials and you get tons of energy in return, so unless the equipment itself is prohibitively massive, I don't think that'll be an issue.

although the laser fusion is efficient for dueterium-duterium or tridium-duterium, i believe that the tordoil magnetic bottle design is better for the lithium-protium reactions, which are cheaper in raw materials and does not realease neutrons.

Of course the equipment needed to sustain nuclear fusion is prohibitively expensive! Otherwise we would certainly be using nuclear fusion as an energy source. I think that the goal of fusion is too far from our present reality that a middle step is needed. I believe that that step is nuclear fission. It is a clean, reliable, and efficient source of energy. Fission provides baseload reliability with very little waste.

While it's true that the equipment needed to sustain nuclear fusion is expensive, that is not the main obstacle to having widespread fusion as a power source. The main problem is that with current technology we have to put more energy into creating fusion than we get back from it. Plus to my knowledge scientists have been unable to sustain a fusion reaction for more than a very brief period of time. This is because the superheated plasma they use to create fusion is so hot no material could come in contact with it without instantly vaporizing. This makes it extremely difficult to contain. They are trying to solve this problem by containing the plasma magnetically so that it doesn't actually have to come in contact with anything. The problem they are having however, is that the magnetic fields they are using are imperfect and can only hold the plasma for a short time before it manages to escape. This of course causes the reaction to automatically stop before the whole system is damaged from leaking plasma. A better magnetic field must be created before this problem can be overcome. That and the first reason I listed plus several others I'm sure is why we do not yet have a fusion powered world.

heres another article popsci did on fussion:
http://www.popsci.com/scitech/article/2005-02/miniature-star-earth
(sorry i dont know how to make it into a link)

I also recall a nice picture of how a fusion reactor would work/look in the magazine but cant seem to find it here.

Sure fusion hypotheticly is great, but at least in the US i think current nuclear technology needs to be refined and expanded. The way things are looking Yucca mountain is going to be full before it opens, and so i propose that we clean up the mess we already made and figure out a better use of spent nuclear fuel before we move onto fussion.

Senor- i thought we alread were using fission in our current nuclear reactors? If we arnt what is it that we are using?

red, we are using the energy released from the chemical or potential energy stored in radioactive material to heat water and spin a turbine. we are not however making two atoms come together in intense heat and using that heat to boil water thus turning a turbine. i hope thats useful because the latter use of atoms are cleaner and only give off helium while the first one gives off highly radioactive material that has a half life of close to 1000 years if not more. really i believe that cold fusion is a joke because you would need the pressure of 1000+ g's just to keep it stable, and while we could probably achieve that with a centrifuge even the slightest unbalance would cause it to explode into a million and one pieces.

but here's a thought enough energy hits the earth in one hour from the sun to power the entire world for a year, cold fusion is already happening, we just haven't harnessed it yet.

red, we are using the energy released from the chemical or potential energy stored in radioactive material to heat water and spin a turbine. we are not however making two atoms come together in intense heat and using that heat to boil water thus turning a turbine. i hope thats useful because the latter use of atoms are cleaner and only give off helium while the first one gives off highly radioactive material that has a half life of close to 1000 years if not more. really i believe that cold fusion is a joke because you would need the pressure of 1000+ g's just to keep it stable, and while we could probably achieve that with a centrifuge even the slightest unbalance would cause it to explode into a million and one pieces.

but here's a thought enough energy hits the earth in one hour from the sun to power the entire world for a year, cold fusion is already happening, we just haven't harnessed it yet.

On May 22, Yoshiaki Arata has successfully demonstrated a cold fusion nuclear reactor at Osaka University in Japan. It continuously generated excess energy (heat) and Helium-4 from ZrO2-nano-Pd sample powders under D2 gas charging at high pressure.

The public demonstration was done in front of 60 people from different universities and companies in Japan, as well as of representatives from six major newspapers and two television stations.

Yoshiaki Arata is a respected physicist in Japan who has been the recipent of Japan's highest award, the Emperor's Prize, and is the first person to have performed thermonuclear fusion research in Japan.

Sources:
http://physicsworld.com/blog/2008/05/coldfusion_demonstration_a_suc_1.ht...

http://newenergytimes.com/news/2008/29img/Arata-Demo.htm

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