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UK's Chief Scientist Backs Nuclear Power Revival

Timbotronic writes "The UK government's chief scientific adviser has sent his clearest signal that Britain will need to revive its nuclear power industry in the face of a looming energy crisis and the threat of global warming. In an interview with the Guardian, Sir David King said there were economic as well as environmental reasons for a new generation of reactors." From the article: "His remarks come in the build-up to international talks in Montreal on how to address the threat of climate change when the Kyoto protocol expires in 2012. He denied suggestions - sparked by comments from Mr Blair that he was changing his mind on whether international treaties were the best way to tackle global warming - that Britain was moving closer to the stance of the US, which has refused to back Kyoto-style emission reductions."

57 of 438 comments (clear)

  1. Nuclear Power by Cowclops · · Score: 4, Interesting

    I personally don't see a problem with this. What with modern technology, it seems like we should be able to build nuclear power plants much safer and more efficient than anything in the past. The threat of the radioactive biproducts is an issue, but it is a much less immediate (and, in the long term anyway, less of an actual threat) than dumping tons of smog in the air until we're out of coal and oil.

    1. Re:Nuclear Power by mordors9 · · Score: 2, Insightful

      Ah, but it will only be a matter of time before the anti-Nuke people will rear their ugly heads once again.

    2. Re:Nuclear Power by CastrTroy · · Score: 5, Interesting

      Which brings up a question that's been on my mind. How much nuclear fuel is on earth. If we replaced all the fossil fuels we use, with nuclear fuel, how long would our supplies last? And how much nuclear waste would be created as a result? If nuclear fuel just replaces fossil fuels, and ends up creating the same problems in another 100 years, then we really should be thinking of a solution that works out better in the long term. Like wind, geothermal, and other types of clean, renewable, energy.

      --

      Anthropic principle: We see the universe the way it is because if it were different we would not be here to see it.
    3. Re:Nuclear Power by aaronl · · Score: 5, Interesting

      Power in the future isn't going to be wind, geothermal, etc, because it doesn't produce enough power. Obviously, the more we can get that way the better, but they are highly inefficient, and require specific placement. That means you have a limited amount that you can put online.

      We have a very large amount of uranium ore around, but it isn't easy to get. The process of creating fuel from it is also complicated. Our best bet is to use fission while we refine the passive generation (solar, hydro, etc) and research fusion. If we figure fusion out, then we don't have to worry about the other forms, though solar is a good idea to continue researching.

    4. Re:Nuclear Power by Phanatic1a · · Score: 5, Informative

      How much nuclear fuel is on earth. If we replaced all the fossil fuels we use, with nuclear fuel, how long would our supplies last?

      There's about 50 years of uranium reserves right now, a bit over 2 million tons.

      Reserves are ores that are economically exploitable. In other words, reserves increase when you find a less expensive way to get the ore, or when the price of ore rises. If the price of ore goes up by 50%, we more than double our reserves to 5 million tons. If it goes up much more than that, oceanic reserves come into play, and there are 4.5 *billion* tons in the oceans.

      Now, that's talking about U235 burned in a PWR. There are other things you can do which vastly increase reserves. There are reactor designs that can breed U238 into U235. That presents a proliferation concern, but you can also just burn U238 in a CANDU reactor or other design. You can breed thorium into U233 and burn that.

      And the thing is that nuclear fuel is so much more energy-dense than chemical fuel. Coal has an energy content of about 24 MJ per kilogram, assuming perfect conversion to electricity, and I think good coal plants with top-of-the-line turbines and boilers and everything can get up to about 70% overall thermal efficiency, but hell, let's say 90%. Figures I found for the US in 1982 indicate that all the nuclear power plants in the US consumed 540 tons of fuel and produced 1.1E12 kilowatt-hours of electricity, which means *after* all those efficiency losses (PWRs are less thermally efficient because you've got to transfer heat across coolant loops), we were getting 8 million megajoules per kilogram of fuel.

      8 million megajoules per kilogram, versus 21.6 megajoules per kilogram. What that means is that your *fuel* cost can rise significantly, but your cost per kilowatt-hour at your meter will see only a very small rise.

      So to sum up, there's a hella lot of nuclear fuel available.

    5. Re:Nuclear Power by fredmosby · · Score: 4, Informative

      It depends on what kind of process is used to make power. Most reactors use U235, and there's only enough of that in the current uranium mines to last 50 years. If a plutonium process were used (turning the U238 into plutonium) the same amount of uranium could power the world for around 1000 years. There's also about three times as much thorium, which can be turned into U233 to produce power.

      So that's around 4000 years mining the uranium and thorium that is economical to extract at todays prices. With higher uranium costs more could be extracted.

    6. Re:Nuclear Power by dbIII · · Score: 2
      Unless we go the way of fast breeders the energy cost of large amounts of nuclear power makes it pointless - processing low grade ore into fuel insn't easy (and a lot of conventional fuel will be burned in the process), and there really isn't a lot of high grade stuff about. Fast breeders have not yet succeeded on economic grounds, and there are other problems.

      They should certainly put some money into research, but the nuclear power industries insistance that they are perfect since the 1950s has helped ensure that after 50 years we have nothing more promising than a tiny pebble bed prototype - and a whole pile of 1950's white elephants with other stuff tacked on the side.

    7. Re:Nuclear Power by aaronl · · Score: 2, Insightful

      I think you just misunderstood my post. I wasn't saying that we don't need to conserve or that we shouldn't create more efficient tech, at all. I was saying, and am saying now, that our future advances *are* going to need a lot of power. Messing around on an atomic level to build molecules and nanotech, space flight, etc, require a huge amount of energy. We need to get that developed, and nuclear is just the best tech available for doing that. It takes a long time to bring a reactor online! Plus, we need to stop using fossil fuels in short order.

      Actually, I already do a number of the things from that page, personally, and I push for them at my workplace. It looks like it's a good organisation. I think we *should* go for conservation and efficiency, but ultimately those are only going to give us a temporary reprieve.

      I really doubt that renewable sources will give us the amount of energy we need, though. They aren't efficient and many aren't reliable for production. Solar and wind are especially bad for that, and they really are supplementary generation methods. Solar has issues of its own, with the very toxic process needed to create photovoltaic cells. The solar convection method is better for that, but it generates less power.

      I think if we're getting our heads together over something, researching power productions methods is just as important as efficiency and conservation. Neither should supplant the other.

    8. Re:Nuclear Power by SeaFox · · Score: 2, Interesting

      If nuclear fuel just replaces fossil fuels, and ends up creating the same problems in another 100 years, then we really should be thinking of a solution that works out better in the long term. Like wind, geothermal, and other types of clean, renewable, energy.

      PESSIMIST MODE ON

      The problem with renewable energy sources is they aren't as easy to control as non-renewable ones. There's no "reserves" to have possession of. You think the power companies would give a hoot about other energy sources if there was still plenty of what we had been using before? They're just looking for a new type of well to buy since the ones they have are drying up.

      Wind and Solar are too exploitable by the common man with the right equipment. The power companies are looking to maintain their continuous revenue generating service instead of having to change to a product-based business model of selling people solar panels. It's just like the record companies trying to change from selling the music to renting it. They all want to maintain their comfortable oligarchy in their respective business, at least for their time in the big chair. Nuclear power allows that, the long term isn't considered because the board members will be pushing up daisies by the time it becomes an issue. Geothermal might allow this control too but the setup costs for the business is scaring them away.

      PESSIMIST MODE OFF

    9. Re:Nuclear Power by dfn5 · · Score: 2, Interesting
      I personally don't see a problem with this. What with modern technology, it seems like we should be able to build nuclear power plants much safer and more efficient than anything in the past.

      I would tend to agree. However, I was reading an editorial in the latest issue of Home Power magazine which stated that nuclear power plants are not as economical as we have been lead to believe. The government (read U.S. gov) subsidizes some aspect of the operation to make it profitable.

      I have never heard this before and the source is certainly not without its bias so I am somewhat skeptical. Anything that isn't strictly a renewable source to them is bad.

      --
      -- Thou hast strayed far from the path of the Avatar.
    10. Re:Nuclear Power by FleaPlus · · Score: 2, Insightful

      And how much nuclear waste would be created as a result?

      Not only that, but I'm also curious as to how much waste (both radioactive and chemical) would be released into the air by the equivalent amount of fossil fuels?

    11. Re:Nuclear Power by pfdietz · · Score: 4, Informative

      Yeah, we periodically hear of the big breakthrough that will reduce the cost of PV cells. This has been happening for decades, but PV sales are still overwhelmingly conventional silicon (and may be getting more expensive now that PV production has exhausted the surplus Si byproduct feed from fabs.) So don't be credulous about the latest claim; judging by history it will very likely go nowhere.

      Nuclear has gotten a lot of money from the government, but then nuclear has provided a lot in return to the government, like bombs and nuclear propulsion for warships and subs.

      Uranium is quite a bit more abundant than is often depicted; remember that at today's U price the cost of the natural uranium itself is a very small part of the cost of nuclear energy, so its price could go up a lot without significant impact. When and if that happens, we can build powerplants with improved breeding to extend the resource even more.

      If you can dispute that, please provide a reference for your pesonal residential grid electric supplier you use -a URL is fine- and what the contract terms are

      This is the Chicago are; we're supplied by ComEd. Residential rates are 8.75 cents/kWh (plus a fixed service fee of $7.13/month). There are also taxes, IIRC, but I don't remember what they are.

      According to this page, PV electricity is still about 30 cents/kWh in the sunniest locations. Chicago is far from the sunniest location; let's say 50 cents/kWh here. So solar is not competitive with grid power for my by about a factor of five.

    12. Re:Nuclear Power by kesuki · · Score: 4, Informative

      thank goodness i know how to build a solar cooker, to use the same solar cooker to create ice at night time, and know how to create fire from wood for heat, how to convert virtually any vegatable oil into biodiesel, know how to build a simple electric generator, know how to build a windmill, that turns said genenrator, and know how to build batteries from mason jars, lead, a strong acid and purified water, how to distill and purify water, and/or strong alchohol, basic first aid medicine, etc etc...

      and most important of all, i know how to hide from the crazy sob who doesn't know how to do any of that and who would gladly try and kill me for all that i had in a post apocyliptic world. Still I would have to agree, people seem to be seeking the 'short sighted' solutions of fossil/non renewable fuels, when 2/3rds of the earth's surface is already covered in water, and could sustain enough algae 'energy' belts to convert about a thousand times our 'current' global energy reserves every year from solar energy into renewable natural oils... that when burned provided the carbon dioxide needed by the floating tracts of algae.

      What's worse of all, is that we spend triple what it would cost to build an infrastructure of 'algea' belts in a year to provide all our 'renewable' energy needs in just trying to find and exploit new 'non-renewable' energy resources.

      Why? in part because the economies of scale required to 'bring' the cost of algea farming down to 'reasonable prices' would virtually require completely replacing coal electric production, and oil refining combined. but it's also because 'energy' companies are run by fools who don't 'get' it. maybe con agra will 'get' it someday, and develop practical algea farming so they can crush the fools behind fossil fuel exploitation.. seriously 'growing' the entire world's energy supply is probabbly the biggest possible market anyone could 'dream' of creating and most of the technology has been developed, but they're scattered like a jigsaw puzzle now.. no one has put them together to bring a fully realistic method of 'growing' all the enegry the world needs.

    13. Re:Nuclear Power by blank+axolotl · · Score: 2, Interesting

      In addition to what you said, it's also my understanding that 'uranium reserves' only includes discovered resources: The more good locations we discover, the more our reserves increase.

      From http://www.uic.com.au/nip75.htm
      Current usage is about 68,000 tU/yr. Thus the world's present measured resources of uranium in the lower cost category (3.5 Mt) and used only in conventional reactors, are enough to last for some 50 years. This represents a higher level of assured resources than is normal for most minerals. Further exploration and higher prices will certainly, on the basis of present geological knowledge, yield further resources as present ones are used up. There was very little uranium exploration between 1985 and 2005, so a significant increase in exploration effort could readily double the known economic resources, and a doubling of price from present levels could be expected to create about a tenfold increase in measured resources, over time.

      From http://www.magma.ca/~jalrober/Chapter14c.htm
      Large amounts of uranium exist: it is about as abundant as tin. At the current rate of consumption (35,000 tonnes per year) and prices, known uranium resources of four million tonnes represent about 65 years consumption at current rates, comparable with about 42 years for oil and 62 years for natural gas.

      Iv'e seen a lot of estimates of the 'true' amount of uranium, so I'm not sure anyone really knows. Most estimates are around a couple hundred years (more than fossil fuel, but still not a long term solution)

    14. Re:Nuclear Power by zerus · · Score: 4, Informative

      I'm guessing you don't mean breeding U238 into U235. The breeding reaction with uranium, that I'm assuming you meant, is where the neutron is absorbed in the U238 which makes U239 which will beta decay into Np239 which beta decays into fissile Pu239 and then upwards with each subsequently absorbed neutron. There is no way to breed U235 effectively and in great abundance. You could have a high energy neutron that knocks a neutron out of U236, but the cross section for that is on the order of nanobarns whereas the XS of first chance fission has resonances near that of the total absorption XS, so it's not too likely. You can run a thorium cycle which can produce U233 which is also fissile, but has many reprocessing steps to remove the U233 from the thorium if that's the desired fuel type, and if reprocessing is the desired route, then breeding U238 into plutonium and reprocessing the fuel into a high burn up MOX would work best. I don't quite agree with your number of 50 years of nuclear fuel either. It's more like 150 years with the gen4 reactors that have the better flux profiles and can utilize high burnup fuelsmore effectively than the modified current versions. That fuel will last even longer once reprocessing becomes economically viable. Technology-wise we can reprocess spent fuel with very little loss of burnable fuel, with Cogema's diamex or JAERI's DIDPA solvent extraction processes that can get 99.97% of U, Pu, and minor actinides with very little contamination by some of the more annoying fission products. In short, you're right, there is a whole helluva lot of nuclear fuel available for many generations

    15. Re:Nuclear Power by WindBourne · · Score: 5, Insightful
      Power in the future isn't going to be wind, geothermal, etc, because it doesn't produce enough power.

      Even though I am a fan of nukes, I have to say that is patently false. In fact, just read some of the earlier articles here to find out that wind alone can put out more than double what we use (That is total energy, not electricity), let alone the other alternative energy (solar, geo, wave, etc).

      In fact, you will find a number of companies who are creating wind energy plants all over the world and then selling the energy. More importantly, they are making LOTS of profit at it.

      The real issue is how to deal with varying power. Instead of focusing on power generation, we should focus on how to store it. Right now, Colorado is testing conversion of electricity to H2 and then use the H2 to drive an internal combustion engine to drive a generator (how inefficient can you get). The one nice advantage of researching storage is that it will allow a mixture of alternative a nukes to generate electricty/other energy that is stored close to the site of usage.

      --
      I prefer the "u" in honour as it seems to be missing these days.
    16. Re:Nuclear Power by Rei · · Score: 3, Insightful

      big breaktrough that will reduce the cost of PV cells ... happening for decades

      Indeed, we have. And you know what? Solar power is, inflation-adjusted, a quarter the cost it was in the 1970s. In short, the predictions of notably reduced cost have been *accurate*. If they keep remaining accurate, solar will become the cheapest power source available.

      The physics are sound, and there are many potential approaches, for not just nanocrystalline solar, but efficient organic solar. Low efficiency organic solar is due to random scattering of the electron donors and recipients. There are at least half a dozen companies out there working on nanoscale assembly, so that it's not random, and thus should get silicon-level efficiency at the cost of plastic sheeting. The odds of none of them succeeding seem extremely slim.

      Uranium is quite a bit more abundant than is often depicted

      False. For example SK's known deposits will be fully extracted in 25 years (Australia will last loner). At current power consumption and efficiency, if we produced all of our power from uranium, and assuming new deposits are found, we've probably got about as much uranium left as we do coal.

      The problem is not only that uranium isn't an incredibly common element on the surface. The fact is that only 0.7% of natural uranium is U-235, which is what is burned in the vast majority of reactors worldwide And you'll usually only get half of that out. What we *really* need are safe breeders (for example, lead or lead-bismuth). Also, thorium breeders allow the use of a completely different, not to mention more common, fuel.

      Additionally, there are many types of solar beyond PV; PV is just the most convenient for small-scale application. For large scale, your most economical options are solar thermal and (possibly) solar chimneys (it's a relatively new concept, so it's too early to say). With solar thermal, you don't need silicon - you can use any decent infrared reflector, along with a heliostat, and you point it at a dark-colored tank housing a working fluid. Even if you're just looking a PV, small-scale heliostat arrays that direct light to small high-efficiency silicon cells are just about to start hitting the market, promising rooftop-mounted grid-price PV solar (cheaper in sunnier regions, more expensive in shady regions).

      Lastly, solar can displace electricity/natural gas consumption. For example, not only can you have solar water heating and solar house heating, but you can even have solar-powered air conditioning (it's currently only cost-effective for large facilities due to the cost of the evaporators, however, since they're not mass produced).

      --
      He's just being nice so my real father won't freeze him in carbonite and sell him for spice.
    17. Re:Nuclear Power by ces · · Score: 2, Informative

      Nuclear power yields little to no energy, once you consider the enourmous amounts of energy needed for mining, processing, enrichment, building a reacter, discommisioning the reactor etc. They looked great when oil was cheap.

      Um, no wrong. No more so for nuclear than coal.

      True that gas diffusion enrichment is horribly energy intensive, but modern centerfuge processes are much more efficent. The main reason many countries who make nuclear fuel aren't currently using centerfuge processes are due to large capital costs.

      The rest of the energy consumpttion for building, operating, and decomissioning a reactor is similar to a fossil fuel plant.

      As for decomissioning, it is clear that many plants have more than a 20 or 30 year useful lifetime. I suspect, depending on the specifics of the plant, the lifetime is probably more in line with coal plants (50-60 years).

      Even when using low-grade ore and gas difussion enrichment a nuclear plant produces far more energy over its lifetime than is consumed by building, fueling, and decomissioning the plant.

      --
      Happy Fun Ball is for external use only.
  2. Re:right.... by AuMatar · · Score: 5, Insightful

    Radioactive waste can be contained. A trick we haven't figured out with air pollution yet.

    --
    I still have more fans than freaks. WTF is wrong with you people?
  3. Short Term Answer with long term repercussions by Solr_Flare · · Score: 3, Insightful

    Better to tackle the "looming energy crisis" head on and use human ingenuity to come up with a better, more environmentally friendly, solution. Simply settling for something that works but has problems is the same attitude that has gotten the world into this rediculous oil mess, all the while destroying the very planet we live on.

    I'm not saying Nuclear power might not be the best answer for a short term emergency, but short term solutions tend to become long term ones when government is concerned.

    --
    You are who you are, let no one tell you different. But, never close your mind to a new point of view.
    1. Re:Short Term Answer with long term repercussions by Phanatic1a · · Score: 3, Insightful

      Simply settling for something that works but has problems

      Oh, really?

      *Everything* has problems. I mean, come on, just wave your hands and come up with your ideal hypothetical, theoretical scheme for energy production, and I guarantee it will have some sort of problem.

      The suggestion that we should wait to fix our current problems until we've figured out a way to eliminate *all possible* problems is not only silly, it's dangerous.

      all the while destroying the very planet we live on.

      Please. The planet has withstood enormous meteor impacts, global firestorms, earthquakes, enormous floods, and devasting environmental shifts far beyond our ability to cause, like the development of organisms which excrete oxygen as a waste product (You know, "plants").

      The *planet* is doing just *fine*. The planet's survival is not at issue.

  4. Let's go for it! by wheelbarrow · · Score: 4, Insightful

    Nuclear power generation is safer and less polluting than burning fossil fuels to generate power. The new pebble bed reactors offer a significant safety improvement over the old fuel rod design that is in older plants lile Three Mile Island. It's time to use the brains we have and provide the safe and cheap power that nuclear fission can offer.

  5. Re:right.... by eweu · · Score: 5, Funny

    Have you ever been to Nevada? I'm pretty sure that's why God made it.

  6. Good on him by Jonnty · · Score: 2, Insightful

    As nice as wind turbines are, you're never gonna get enough to gnerate enough power, nor are you getting enough people agreeing to have them built. Nuclear's our only option. At least, if you're that worried, build them to go on until we have enough other means of power generation. Unless, of course, Fusion becomes viable, which (I hope, at least) will probably happen in the next 25 years. Ah well. C'est la vie.

    --
    Any grammatical or spelling errors above are for comic effect, and do not signify imperfection in the writer.
    1. Re:Good on him by LurkerXXX · · Score: 2, Funny
      As nice as wind turbines are, you're never gonna get enough to gnerate enough power, nor are you getting enough people agreeing to have them built.

      It might be a good time to push for them soon. It will help reduce bird flu. ;)

  7. What we need here in the States by geekoid · · Score: 3, Insightful

    is a nation wide awarness campaign on how nuclear power works, why it is BETTER for the enviroment, and how it will help allow
    Talk about the new technologies.

    --
    The Kruger Dunning explains most post on /. http://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect
  8. Nuclear Safety by AtomicRobotMonster · · Score: 3, Interesting

    Reactor designs have progressed a long way from the 50's. Pebble bed reactors are an inherently safe (being relative) design... http://en.wikipedia.org/wiki/Pebble-bed_reactor Couldn't we just make these into sealed units and run them until they stop being radioactive?

    --
    Is that a ding I hear? GET BACK IN THE MAGIC HOUSE!!!
  9. Other environmental effects. by failure-man · · Score: 2, Insightful

    People around here always seem to fall into one of two groups on this issue: those that dance around talking about how clean nuclear power is, and those that shout "what about the fuckin' waste?"

    What about the enrichment though? What about all the noxious chemicals involved in separating the fissile isotopes from the 99+% useless U-238? What about the huge piles of toxic and somewhat radioactive U-238 that you get at the end? Nobody ever seems to bring that up.

    I'd like to see what the pro-nuke side has to say about dealing with the environmental effects of this part of the system.

    1. Re:Other environmental effects. by m50d · · Score: 4, Insightful
      What about the enrichment though? What about all the noxious chemicals involved in separating the fissile isotopes from the 99+% useless U-238?

      You can centrifuge so you don't really need any chemicals, and so little fuel is needed to get a given amount of energy that the amounts used are miniscule compared to what would be used digging up the same amount of coal/oil/etc.

      What about the huge piles of toxic and somewhat radioactive U-238 that you get at the end?

      Ever seen a slag heap? The amount of waste is again going to be miniscule compared to what you'd produce getting the coal or oil needed to get the same amount of energy, the radiation danger is a tiny fraction of what you get from the radon you'll release mining coal. The toxicity is overstated, it's not really any worse than lead - yes it's not something you'd want to be too near, but neither are the much larger piles of stuff used for mining and oil-drilling.

      --
      I am trolling
  10. Solve the War on Terrorism. by portforward · · Score: 3, Insightful

    I've been thinking about this for a long while. I wonder what would happen if the US (like some commentators have suggested) embark on a "Manhattan Project" for energy. If the US highly encouraged oil exploration, solar, wind, nuclear, hybrid (like the plug into your wall to charge the batteries), Sterling engine, biodiesel, thermal depolermersation (you know, turkey offal and sewage into oil), microwaves and mining the moon and Jupiter for fusion fuel. What would happen if through alternative energy initiatives we could drive the price of oil down to $10 a barrel. I'm not saying it will happen, or even if it could happen, but what would happen to the Saudis, Iran, Venezuela and all the other dictatorships that run on oil? What would happen if America could export its energy technology instead of importing oil?

    1. Re:Solve the War on Terrorism. by ProudClod · · Score: 4, Insightful

      Hate to be a pedant, but Venezuela's not a dictatorship.

      There's certainly a lot of domestic opposition to Chavez, but there's a lot of domestic opposition to Bush too - the fact remains that both were democratically elected by the people.

      --
      Gamers Europe - Gaming News. Reviews.
    2. Re:Solve the War on Terrorism. by PakProtector · · Score: 2, Funny
      Also Hitler.

      Come now, as a person of German Descent, I can tell you the thing that everyone knows about Hitler's election. It was settled in the time honored German fashion: First one to burn down the Reichstag is Chancellor.

      --

      Edward@Tomato - /home/Edward/ man woman
      man: no entry for woman in the manual.
      "Qua!?"

    3. Re:Solve the War on Terrorism. by quarkscat · · Score: 2, Insightful

      If you were to eliminate most of the funding of religious fundamentalist terrorists by driving the cost of a barrel of oil down to $10, there would be (nearly universal) world peace -- a new Pax Americana.

      There are powerful lobbies within the USA that would fight "tooth and nail" against either widespread semi-autonomous power generation (energy & power companies), cheap fusion power production (energy & power companies), or a reduction in worldwide conflict (military-industrial complex). Considering the influence that these groups have with the central government (both main political parties), there will be very little headway made in the USA's energy independence until either (1) these lobbies have determined that they have extracted all available monitary resources, or (2) there is a near-armageddon-like event that spawns a revolution against the status quo.

  11. The public's general reaction... by ddx+Christ · · Score: 4, Insightful
    Is akin to a situation where someone tells you to lift a supposedly cold glass, but it's actually boiling. That's what initially happened with nuclear fission. Now that same person is asking us to pick it up again, but can we be sure it's inherently safe to do so and we won't receive 3rd degree burns? I'm not saying this is my point of view, but what I usually encounter when talking to others.

    A bad reputation is very difficult to eliminate. Whereas a good reputation is ruined by one bad action, the same cannot be said for the converse. Nuclear power has clear advantages as well as disadvantages; technology has improved. But if we can't deal with mercury, toxic chemicals, and other pollutants, what are we going to do with nuclear waste? If we have a plan and are ready, then go ahead, but we should still look for alternatives and improvements.

  12. Re:Well which is it? by aaronl · · Score: 4, Informative

    The US certainly does burn oil in quite a few generation plants. There are statistics for it all over the 'net.

    To quote PG&E "Most electricity in the U.S. is generated using coal, oil, natural gas, nuclear energy, or hydropower. Some production is done with alternative fuels like geothermal energy, wind power, biomass, solar energy, or fuel cells."

    To quote the DOE: "Coal was the fuel used to generate the largest share (50.8 percent) of electricity in 2003 1,974 billion kilowatthours(kWh). This is over one and a half times the annual electricity consumption of all U.S. households (1,273 billion kWh). Natural gas was used to generate 650 billion kWh (16.7 percent), and petroleum accounted for 119 billion kWh (3.1 percent)." They also list nuclear as accounting for 19.75% (764 billion killowatthours). The remaining 9.65% was mostly hydro (7.14%).

  13. The problem with nuclear power... by mattotoole · · Score: 4, Insightful

    The problem with nuclear power is that the nuclear industry is so enmeshed with top secret military programs that no one knows what its costs really are. They say it's cheap, but to what degree is it being subsidized? We'll never know. Also, nuclear power further encourages an overly centralized power grid, with too few, too-large power plants. For both national security and efficency, we should be moving toward a more distributed model. Smaller plants require less investment too, so they can be added/upgraded more easily as technology improves. I'm for millions of solar roofs; microturbines and fuel cells with co-generation; and everyone's meter able to run backwards.

  14. what will happen to the middle east if by CDPatten · · Score: 3, Interesting

    the world stops it's need for oil? We are starting to see many alternatives, natural gas, nuclear, current solar tech, new solar (e.g. nano-solar), fuel-cell, etc. Even harnessing the oceans waves are becoming practical. France already gets about 80% of its energy from Nuke power.

    At present the Middle East doesn't do anything but sell oil (http://www.tompeters.com/entries.php?note=006683. php, 270 international patents in 20 years). There are approx. 270 million Arabs in the middle east and the majority living off of oil profit. If things like Britain's initiative spill over into all the world's nations, the Middle East could very quickly loose its primary source of income within the next 20 years. Cars are quickly moving to electric engines wich will feed fuel-cell, and I can't imagine new jet tech is far off. The new scientist has pieces on projects to conserve up to 80% fuel costs.

    Since the middle east (for the most part) doesn't make anything, do you think they will turn into a society similar to the warring African nations or step up to the plate and joining the world in creating/innovating?

  15. Environmentalists are Coming Onboard by Quirk · · Score: 2, Insightful
    James Lovelock the framer of the Gaia theory ("...a class of scientific models of the geo-biosphere in which life as a whole fosters and maintains suitable conditions for itself by helping to create an environment on Earth suitable for its continuity...")

    "Lovelock was among the first researchers to sound the alarm about the threat of global warming from the greenhouse effect. In 2004 he caused a media sensation when he broke with many fellow environmentalists by pronouncing that "Only nuclear power can now halt global warming". In his view, nuclear energy is the only realistic alternative to fossil fuels that has the capacity to both fulfill the large scale energy needs of mankind while also reducing greenhouse emissions."

    As an environmentalist, though not a proponent of Dr. Lovelock's Gaia theory, I endorse the development of nuclear power. Further, I think, environmenatlist should step up, admit their error in attacking nuclear power, and, actively push a nuclear power agenda.

    --
    "Academicians are more likely to share each other's toothbrush than each other's nomenclature."
    Cohen
  16. My concerns by Y-Crate · · Score: 4, Interesting

    I have no problem with nuclear power, modern plants are safe and quite useful.

    However, I do not exactly trust the upper management of such facilities to always do the right thing, after years of shoddy practices by some owner/operators. In the past, I've encountered many stories of rather remarkable safety oversights and downright irresponsible decisions that have made certain reactors unnecessarily dangerous. Sure we have the NRC, but history has shown that they are not always on the ball...or quite far from it.

    As with virtually every major reactor incident that has ever occurred, the human element is the potential problem, not the technology.

    So fellow nuclear power supporters, please understand when some of us have genuine concerns about construction of new plants, and please do not lump us all in the "OMG ATOMS!!!!" category. In fact, fellow environmentalists here in Florida are only asking for a large exclusion zone around a new plant that is being considered. Obviously, they are going to get the zone for a variety of reasons, theirs being that it makes a fantastic nature preserve.

  17. If nuclear power is so great ... by badfish99 · · Score: 2, Insightful
    If nuclear power is so great, we should encourage every country to use it. We wouldn't want to be striving to save the world ourselves, while other countries are just pumping out pollution, would we? That would be stupid.

    So we must encourage Iran, North Korea and so on to build as many nuclear power stations as they like.

  18. Coal power much more radioactive than nuclear by LPetrazickis · · Score: 4, Informative

    A nuclear plants worst case scenario...

    It's physically impossible for a pebble-bed reactor to meltdown. It does not have cooling rods. It does not have heavy water.

    Cleaner? Coal and gas give off Carbon oxides and other nasties. Yes this is a problem.

    Coal also gives off quite a lot of radioactivity, and it's going straight into the atmosphere. In 1982, US coal power plants released 800 tons of radioactive uranium and 2000 tons of radioactive thorium burnt straight out of coal directly into the atmosphere. Nuclear power plants, as a rule, don't do that. We need to shut down every damn coal plant as soon as humanly possible.

    Other coal nasties include sulphur dioxide, the thingie that reacts with water in clouds to drop a lovely rain of sulphuric acid on our heads. Yay!

    Oil and coal are obviously bad. Natural gas releases a fair bit of carbon dioxide, and it will run out sooner rather than later if we keep building more plants. Hydroelectric power drowns whole ecosystems. A pretty giant lake where there was no pretty giant lake before is very environmentally unfriendly.

    Look, I support solar and wind power. I would support a proposal to make rooftop solar power panels mandated by law for all buildings. Windfarms are a good idea, even if they seem to be evoking silly NIMBYism out of some people. But we need nuclear power in the triptych, at least until we get fusion figured out.

    You can't produce a lot of megawatts with solar and wind in a single location without using up a ginormous amount of space. That space isn't magically appearing out of nowhere. Something is being displaced, be it a forest, a field, or some sort of human usage. Nuclear power is relatively compact by comparison. In many cases, the choice is between either compact or nothing.

    --
    Is this a sigs-optional kind of place? 'Cause I am totally down with that if you know what I mean.
  19. Organisms are not as durable as planets. by replicant108 · · Score: 2, Insightful


    The *planet* is doing just *fine*. The planet's survival is not at issue.


    Absolutely correct. The planet will be fine.

    Human beings, however, may not fare quite so well.

  20. Re:Why not fusion? by Helios1182 · · Score: 2, Interesting

    Because every none method of creating fusion reactions takes more energy than is produced. We are still a long way from any sort of economically viable fusion energy source. It would be nice of course. Here is some info: http://en.wikipedia.org/wiki/Fusion_power

  21. Re:right.... by ozmanjusri · · Score: 2, Funny

    a few thousand m^3 of waist

    I know obesity is a problem in the US, but that's just extreme!

    --
    "I've got more toys than Teruhisa Kitahara."
  22. Re:Why not fusion? by Phanatic1a · · Score: 2, Interesting

    Because it's fucking hard. There's a big test reactor that's going to be built in France, and that's *still* not going to get us to commercial fusion power, simply because of the material issues involved. In DT fusion, *every single atom* in your reactor vessel is going to be displaced by flying neutrons *hundreds* of times over the life of the reactor, and that does really bad things to all known materials. Right now, we don't even have adequate neutron sources in order to begin exploring that regime; there's also supposed to be another research facility dedicated to that purpse, tagging along with the reactor in France, but it's not even on the drawing board yet.

    There are aneutronic schemes, but those seem to be impossble to actually generate net energy from, because the hot fuel loses too much energy to Brehmstrahllung losses.

    Fusion is very very difficult.

    I generally class problems into three categories: theoretical, materials, and engineering. The theoretical problems are killers: "We don't know if this is even *possible." The materials ones *can* be killers: "We know how do to this, but we don't know how to make it, and the stuff we need to make it may be unobtainable." Engineering ones are ones that can be cured by throwing enough money and time at them, like the Manhattan project: we knew a bomb was theoretically possible, we knew how to make the materials, we just had to crank a lot of numbers and actually build the fabrication infrastructure and the device itself.

    Fusion is *all three*. I find it entirely plausible that we'll never develop commercial fusion power, bootstrapping right from mass nuclear fission to solar collection satellites. There's certainly enough fissile fuel around to keep us going until we can build large-scale orbital structures.

  23. FUD by bluGill · · Score: 3, Informative

    A coal plant's worst case scenario is a giant smog cloud.

    Not to mention tons of radioactive waste. For a given amount of energy out, there is more waste uranium in coal than nuclear power.

    A nuclear plants worst case scenario is the permanent evacuation of the highly populated region surrounding Chernobyl, and a significant rise in lukemia rates, etc, etc.

    If you use stupid designs like Chernobyl the above is true. If you use intelligent designs that cannot happen. Nuclear power plants are governed by the laws of physics, not your imagination.

    But nuclear power gives us all that lovely radioactive waste which quite simply has to be thrown in big holes and the lid sealed up for over 40,000 years!

    Only if you are stupid and throw it into a big hole. France doesn't throw their waste into a big hole, they recycle it.

    Oh, but oil and gas are contributing to the greenhouse effect! Well yes they are, but does that justify building more reactors,

    Well you can go back to a hunter gather lifestyle if you want. I've considered it, and I don't want to. Nuclear power is the only long term solution so long as we remain on earth.

    generating more nuclear waste,

    Not a problem, see above.

    AND more nuclear warheads?

    Where did that come from? Nuclear warheads are a very different subjects. Governments that want one will get them, with or withour nuclear power plants.

    There' this thing called the sun. Provides loads of energy. The Wind! Water? Is nothing else viable?

    Well yes, the sun does provide loads of energy. Most of it is not directed at the earth though. Even then it is hard to deal with. Many question if enough strikes the earth for our use, even at 100% conversion efficiency. 40% efficiency is the max we have got from a solar cell, and to get that much required a lot of special effort which does not scale to large scale production. Everything else is much worse than that.

  24. Nukes please! by uncadonna · · Score: 2, Interesting

    Greenhouse gases are a big problem and getting bigger.

    A ton of uranium yields as much energy as 16000 tons of coal. We bury the nuclear wastes in a small hole. (Work out the size of a ton of metal.) We bury the much larger coal wastes in the atmosphere, where they change the radiative properties of the planet, not to mention various other toxic side effects, including radiation emissions.

    It's really a no-brainer. Of course, sometimes it seems that society has no brain.

    The right doesn't want to admit it was wrong about global warming and the left doesn't want to admit it was wrong about nukes. So we go on merrily pursuing a thoroughly avoidable catastrophe.

    --
    mt
  25. Re:Not-In-My-Backyard Syndrome by HanzoSpam · · Score: 5, Informative

    Modern reactors are far safer than their more temperamental counterparts of the 70s and 80s (Chernobyl? Three Mile Island?).

    It's ridiculous to even mention Chernobyl and Three Mile Island in the same breath. What people seem to ignore is that the reactor at TMI functioned exactly as designed in the event of a meltdown - it shut itself down. I'd also point out that Three Mile Island is still in operation. Only one reactor was affected. The rest of the facility has been humming along quite nicely ever since.

    Three Mile Island isn't an example of how dangerous nuclear technology is, it's an example of how safe it is.

    --

    Progressivism: Parasites helping parasites to help themselves - to other people's stuff.
  26. Re:carbon neutral by msevior · · Score: 2, Informative

    Grrr I can't stand it any longer.

    We're still constructing the site but here it is anyway...

    http://nuclearinfo.net/

    That German Green person is way out to lunch. We prove it on the site. Scroll down to:

    (There is some bug in our twiki that prevents direct links..)

    http://www.nuclearinfo.net/Nuclearpower#Greenhouse _Emissions_of_Nuclear_Power

    Nuclear Power emits less Greenhouse Gases than any other form Energy generation including Hydro and Wind. There are far less invisible costs in Nuclear Energy than anything else precisely because it has been so thoroughly studied.

  27. Re:Well which is it? by tehdaemon · · Score: 2, Interesting
    Error - $45!>$60 your statement does not compute.


    If your breakeven point is $45/barrel (earnings=costs, selling at $45) and *worst case* all of your costs are due to oil at current $60/barrel, then you will make a profit of $15/barrel if you use your own oil.

    This means that a self sustained system would be less expensive, not more.

    The error in your statement stems from "cheap oil pumped from the ground" Hint. It is not cheap now. This means that either a) it is not economical at $45 any more (ie you are wrong) or b) a self sustained system is now less expensive than other oil (ie you are wrong) or c) $60/barrel outprices your average suburbanite. (possible, but has nothing to do with tar sands)


    If you have more information than you posted to make sense of this mess, please post it, 'cause as of now, you are wrong.

    --
    Laws are horrible moral guides, moral guides make even worse laws.
  28. Molten salt reactors are the best by Dezakin · · Score: 2, Interesting

    They can run on thorium, prototypes have run for years, they use 1/100th the fuel, and they produce 1/100th the waste. Economic studies show them to be cheaper than light water reactors and even coal, they dont require fuel fabrication, and they're safer than any other breeder reactor design and all light water reactor designs. But no one seems to know about them. They keep repeating pop-sci stuff that they read about, like pebble bed reactors or the integral fast reactor.

  29. Re:right.... by Guppy06 · · Score: 2, Funny

    Yeah, but we're talking about the UK; the best they can do is Wales.

  30. as far as I know, it's easily doable... by shummer_mc · · Score: 5, Interesting

    There is a reactor designed called an advanced breeder reactor. It's as close to an energy machine as I've ever seen... This type of reactor uses U238, which we (the US) are currently storing as waste (at huge expense). As a by-product of the consumption of this fuel it creates plutonium (the downside), as well as enough fuel to 'seed' another reactor (breeding, in a sense). This reactor was slated to be built, but due to the weapons-grade plutonium by-product, it was deemed unsafe and discontinued. According to people that I know (I used to work at the Idaho National Lab-- a cornerstone of US nuclear reactor design and development) there is enough U238 in storage-- as waste-- that we would could provide the energy needs for the US for several hundred years.

    So, to answer one question, there's plenty of fuel. This is just the tip of the iceberg, as far as I'm concerned. This technology has been known for 30 years. There are bound to be technological leaps and bounds in the science of nuclear energy, but collectively we're afraid to try. As evidence of our collective fear, I point to the, IMO, over-zealous regulation/legislation, which makes it impossibly expensive to investigate making nuclear power *more* safe (I believe that it's safer/healthier than coal now).

    Okay, having said that... there is a problem with our ability to improve our nuclear technology. That problem is the last 30 years-- where nothing was done in the field (due to FUD). In those 30 years the leading minds have forgottem and gotten old and sometimes have left the US in favor of work in more reasonable countries. In essence, I'm not sure that we have the expertise any longer. It will be expensive and difficult to get the US nuclear programs working again. I only guess that the UK is the same.

    Is it worth it for the US, or any country? Yes. I think so. However, you've got an oil industry crony in the W.H. and trillions of lobby dollars spent by US energy corps and, according to many, the old KGB and other foreign govs, which have instilled a real fear about nuclear energy (according to the stories the old USSR didn't want us to develop *infinite* energy to feed our economy).

    There is currently an initiative to build what they call the Gen 4 reactor. There has been some discussion as to which design to try. 'Pebble Bed' was discussed, but there are cooling issues to overcome (I can't speak intelligently on that... I wrote the software which tracked the nuclear waste-- IANANE). El Presidente seems enamored with hydrogen reactors, last I heard. My bets on whether we actually do it are placed on 'no.' The current project is woefully under-funded and crazily mis-managed.

    Regarding waste... I know a bit about what is stored as waste... Mainly, it's PPE (personal protective equipment-- rubber gloves and the like) and junk. Anytime something even remotely (and I mean REMOTELY) connected with nuclear fuel, or waste, or contamination is discarded it becomes waste. The VAST majority (99%) of waste isn't nasty. Quite a lot can be permanently disposed of in a safe manner, but people start to freak out (FUD again). The other 1% can be stored until we figure out a cost-effective manner to send it to the sun. Right now, we store it all, and that contributes to more FUD.

    I probably sound a bit like a fanboy... maybe I am. There IS an energy crisis. Renewables are nowhere near (at least as far as I know) ready to produce the amount of energy that nuclear does/can; it has been operationally tested worldwide.

    Solving the political problems... That's another matter.

  31. Re:That's not necessarily the case by cliffski · · Score: 2, Informative

    If you dont think there are legitimate concerns about nuclear energy, then you need to look a little closer:

    1) proliferation - so its fine for the US and the UK to go nuclear happy, but you still reserve the right to hold a gun to the head of coutnries you dont like (such as Iran) if they try to follow suit. How does that work exactly? How will Iranian citizens feel about that policy? do we really need to generate more anti wetsern feelings there?

    2) Centralisation. Nuclear requires huge concentration of power production. distributed power generation is more resiliant to attack and failure (like the USA blackouts recently), such as small scale solar and wind.

    3) Security - protesters have got inot nuclear power stations often enough. you dont think AQ or some other bunch of terrorists arent planning it? I'd sleep safer at night knowing that Osama Bin Laden wasnt giving a TV interview from a nuclear power station control room.

    4) Economy - nuclear generation costs a fortune. the Uk had to spend 400 million to bail out its nuclear energy industry and stop them going bankrupt. This was after the claims that nuclear would be 'too cheap to meter'. No change there.

    5) Waste - heres the big one. You can probably solve the other problems, but the waste one is the biggy. You dont want to transport this stuff all over the world for security reasons, and you need somewhere to store it for a LONG time, we are talking tens of thousands of years here. Thats so long it almost seems like fantasty. If the romans had used nuclear, we'd still be guarding their waste now, long after their whole civlisation ahs crumbled. We lecture kids about not getting big debst in their teens that might take 5 years to pay off. we get scared about taking on 25 year mortagges, but we are happy to dump a serious waste problem on our descendents for the next ten thousand?

    As with all nuclear power discussions, slashdot is overwhelemed with pro nuclear people dismissing everyone who opposes the technology as nutters, often in the most arrogant and dismissive way. I'm a programmer, certainly not a luddite, but I have serious and justified concerns about investing in nuclear power. Only a resoned debate will change minds on this issue.

    --
    DRM-free indie games for the PC and Mac: Positech Games
  32. needs to be contained for several * 1e4 yrs by aurelian · · Score: 2, Insightful

    we haven't demonstrated the ability to do that either.

  33. Re:That's not necessarily the case by Angostura · · Score: 2, Interesting

    I'm politically of a greenish hue and while I used to be anti-nuclear, it is now my belief that nuclear powers going to be the only way that we can realistically cut C02 emissions in the medium term while other technological fixes kick in. I feel passionately that anyone who is truly green will have to support nuclear power soon if we are going to avoid global environmental catastrophe.

    Your point 5 about the difficult of handling nuclear waste is right on the money, yet 180 degrees out of wack. Yes nuclear waste is difficult to contain and is very dangerous. Yet it is an absolute walk in the park compared to handling the waste being pumped out by our fossil-fuel-based generators. You can't contain CO2 (yes I know there are some fancy plans to sequester it, but those are years out).

    Nuclear waste has the potential to kill people living in large areas if something goes wrong. The threat and danger is apparent. People worry about it. C02 goes up a chimney and people don't worry about it at all, yet the threat is (in my opinion much much greater) we're not talking about large areas being contaminated for 100s of years - with C02 we are talking about the globe being 'contaminated' for millenia, possibly irreversibly.

    Personally, as a London resident, I';d like to see a nice big nuclear power station built in the middle of London, and other major cities. "When you reduce you energy consumption sufficiently that we don't need it we will decommission it."

    In answer to your initial point - yes, I also believe that we will have to promote peaceful nuclear proliferation. It's nasty stuff, but not as nasty and pervasive as the alternative.

    Oh - scrap the manned Mars mission, put the money into fusion research.

    Et voila, I've transformed myself into an Internet kook.

  34. Re:That's not necessarily the case by wooley-one · · Score: 2, Interesting

    I'll try to respond to your points in order.
    (full disclosure: I work in nuclear power)

    1) I honestly don't have a good answer for this. Hopefully the new generation of reactor designs will permit more widespread use. If my information is correct, the new PBMR designs significantly decrease the proliferation concerns.

    2) Centralization is not necessarily a bad thing. There are efficiency gains from economy of scale, and maintenance on one or two units is a hell of a lot easier than maintaining 10,000.

    3) It's one thing to get to or even past the front gate. It's another thing entirely to get into the protected area. I haven't seen reports of this, but I would be interested to read articles if you have them. (links please?)

    4) Nuke plants are base loaded. They run at 100% ouput as much as possible. The reason for this is that they produce the cheapest power we've got. It's the fossil plants that actually follow the load throughout the day.

    5) The waste is initially dangerous. However, we don't need to store it for 10,000 years. The really dangerous stuff is dangerous because it decays off at a fast rate. Thus, the more dangerous the material, the faster it peters out. The longer the half-life, the less dangerous the material is. I would be more afraid of the heavy metals than the radiation in many cases.