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Asante
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ITER - Fusion in 30 years? 1
#26465619 - 02/02/20 04:52 PM (3 years, 11 months ago) |
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Salomon
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Re: ITER - Fusion in 30 years? [Re: Asante]
#26465906 - 02/02/20 07:56 PM (3 years, 11 months ago) |
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Good news everybody. This is progress.
I've dabbled in the "let's make a fusion reactor in the basement" department.
Truth be told it's not hard to achieve fusion. The video states the issue really. Sustaining reaction.
A miniature sun can be made A lot easier if you're already running a fission reactor as a catalyst for the negative ionized super conductors and the magnetic fields, containing the unwanted escape of energy from the fusion reactor, and so fourth.
The whole thing is a lot easier on the quantum level. Precision of specific atoms locked in a known place, in specific magnetic rotations, happening at very verrrrry low temperatures, and practically instantly turning to very verrrrrrry high temperatures. All in a fluctuating inward outward expansion within the reactor core. It would be so much easier to have a fusion reactor that is built to be able to move... Like a lung or something. I'm not a physicist but, making a material, let alone an entire reactor that can contain the energys and not have a short elemental half life is hard.
It obviously makes more sense to make a big one that is an immobilized giant sun in a jar. But small scale is a different animal.
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EbilPhish
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Re: ITER - Fusion in 30 years? [Re: Salomon]
#26492964 - 02/19/20 07:49 AM (3 years, 11 months ago) |
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There's the common anecdote that fusion is always 30 years away (or 20).
But I think that has more to do with scientists just giving a vague off the cuff answer when asked. It's not like they go away and do the math on the progress.
Actually when you look at the progress of the amount of power out of a reaction vs power used to cause it, it's been steadily improving. In fact they already got more power out than went in (but not when you take into account all the extra stuff like cooling systems, inefficiencies and such).
The biggest hold back for fusion is lack of funding. Having said that other unrelated technology progress such as advancements in magnets, eventually it might become easy to do without a massive budget although hopefully we see investments in it to speed it up.
Having said that fusion is unlikely to help with climate change. It takes decades to build a power plant. If fusion was proven practical tomorrow it would take another 40 years before the first ones started to come online and them more decades before they where in the majority. And the first proof of concept reaction isn't expected until the 2030's (I think the DEMO reactor).
Also I wonder if all the investment in other sustainable power generation technologies will hold it back. They get all the attention and a solar power plant is a much smaller investment than a fusion setup would be. Unless they can get micro fusion reactors (you could have one per house). Lockheed (or maybe Boing) claimed they expected to have something 'in the next 5 years', but I'm guessing it was PR/investment seeking. No one will remember that in 5 years time (it was probably already a year or 2 ago by now anyway). There are also other companies like general fusion working on smaller scale systems.
Edited by EbilPhish (02/19/20 07:53 AM)
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Asante
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Re: ITER - Fusion in 30 years? [Re: EbilPhish]
#26493012 - 02/19/20 08:22 AM (3 years, 11 months ago) |
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Quote:
EbilPhish said:
The biggest hold back for fusion is lack of funding.
If we throw a trillion at Fusion, we have opearational capacity in 5 years, I'm convinced. Fusion research is getting by on a hand of rice a day.
Thats why its always 20 or 30 years. WE never prioritized it.
It worked pretty damn well in the 1950s
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LogicaL Chaos
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Re: ITER - Fusion in 30 years? [Re: Asante]
#26493023 - 02/19/20 08:33 AM (3 years, 11 months ago) |
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Ive been waiting for Fusion Reactors ever since I saw videos of scientists trying to run them in those cool metal dounut contraptions. Anyday now we are going to harness the Power of the Sun!
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