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Nuclear energy?

we live on a planet which moves with great momentum. Astronomical amounts of energy move through the universe. The amount of energy we use on earth is just a tiny fart in comparison. I'd like to think that we would manage (eventually) to come up with ways of harnessing the flow of energy that aren't so primitive as nuclear. Nuclear has just as much finess as gunpowder and the internal combustion engine.

Really? I don't see any way in which nuclear energy (harnessing energy by splitting apart atomic nuclei) is in any way primitive. In fact, Gen IV nuclear reactors will be anything but primitive (not that Gen II or Gen III are either)... not to mention nuclear fusion.
 
we live on a planet which moves with great momentum. Astronomical amounts of energy move through the universe. The amount of energy we use on earth is just a tiny fart in comparison. I'd like to think that we would manage (eventually) to come up with ways of harnessing the flow of energy that aren't so primitive as nuclear. Nuclear has just as much finess as gunpowder and the internal combustion engine.

Right, so instead of doing something as cool as fusing atoms together or splitting them apart, we'll make a giant "planetary dam" and use the planets' momentum for our needs. That's a lot more advanced. :rolleyes:
 
Really? I don't see any way in which nuclear energy (harnessing energy by splitting apart atomic nuclei) is in any way primitive. In fact, Gen IV nuclear reactors will be anything but primitive (not that Gen II or Gen III are either)... not to mention nuclear fusion.

Splitting apart atomic nuclei sounds primitive to me. It might be complex and hard to do, but still seems like crushing rocks with a sledgehammer
 
Splitting apart atomic nuclei sounds primitive to me. It might be complex and hard to do, but still seems like crushing rocks with a sledgehammer

That doesn't seem to jive with the dictionary's definition of primitive:
"characterized by simplicity and (often) crudeness" vs "complex and hard to do".

If splitting apart atomic nuclei (such as by bombarding a uranium-235 nucleus with neutrons) is primitive, then I'd love to hear your definition of an advanced process.
 
well, you definitely have to make a lot of stuff in order to bombard something as tiny as an atom. I still think that in a hundred years or less that fission energy will be laughable.

I seriously doubt that. What do you base this on? What do you see coming up in the next hundred years that will make fission seem laughable. Hopefully in 50 years we will have a very, very clean fission technology with a closed fuel cycle, perhaps a Thorium cycle with actinide recycling... or maybe a workable fusion solution.
 
You guys definitely got me on the "thinking cap" there. It suredly does take an exceptional mind to tackle atomic physics,,I havent studied it, I probably couldn't manage it. So, speaking as someone who knows little about science; I think that solar and wind energy and even water energy are finer than atomic fusion or fission. Energy just smoothly changes hands.
 
We have already been relying on Nukes to power our Navy for years, the technology has been made much more safe. The issue is waste disposal and so long as we use fission (no one has been able to tackle fusion) the problem remains.

My personal feeling is that we should look to many, MANY, sources to replace fossil fuels, and Nukes should be a part of that picture in the short term. The lion's share should, however, come form hydro, solar, biofuels(from sugars not starches), wind, and waves & tides.

i plan to have a house when im older that is completely self-efficent energy wise, either from a wind turbine or from solar panels.
 
I think poop-loops is doing a physics undergrad and from what I've seen he knows a thing or two about science. I did my MSc in plasma physics working on a form of nuclear fusion.

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Considering going to a MS in physics instead of a full on Ph.D. A guy I work with who has a MS in physics said he didn't want to go get a Ph.D. because he didn't want to specialize that much and he wanted to start working. Both of which I see as plusses.

What is your take on this? I've also been told that the glass ceiling is higher with a Ph.D., but does it make much of a difference in industry? Is it just something in academia that really matters?
 
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Considering going to a MS in physics instead of a full on Ph.D. A guy I work with who has a MS in physics said he didn't want to go get a Ph.D. because he didn't want to specialize that much and he wanted to start working. Both of which I see as plusses.

What is your take on this? I've also been told that the glass ceiling is higher with a Ph.D., but does it make much of a difference in industry? Is it just something in academia that really matters?

Almost all of the guys that were in the department when I was doing my MSc. went into industry. Of the two I'm an closest friends with (and the only two that I really know what they are doing), one is working for a wind power company working on, I believe, using some sort of resistive load to control the rotation speed of the blades, rather than the mechanical systems that are currently used. The other is developing fuel for the new ACR-1000 Advanced CANDU Reactor. The two of them had engineering undergraduate degrees though which probably makes them somewhat more attractive.

I guess it all depends how much of a specialist you want to be. If you can do your MSc. in an area that you want to work in then you could immediately try getting a job. At the same time you can feel out what the appeal for PhDs is in that field (though you could certainly change fields between your MSc. and your PhD).

The problem I see with a PhD is that it is pretty easy to draw a topic that has no relation to industru. For instance the one PhD student in our group was working on a tokamak fusion reactor concept, which at this point has no industry behind it. On the other hand, a guy in one of the other plasma physics groups doing his PhD was working on silicon electroluminescence and I know that this has wide application to industry (and I think the guy may be working for Intel now).