Scientists successfully replicate historic nuclear fusion breakthrough three times::Scientists in California make a significant step in what could one day be an important solution to the global climate crisis, driven primarily by burning fossil fuels.
Nuclear fusion isn’t the solution to the climate crisis. It’s decades away, if it ever happens; the climate crisis is something we’re having to tackle now.
Solution:
No more Private Jets or Yachts.
Transportation Infrastructure Overhaul to transition away from cars and diversify to a set of electric or non-fuel forms of transportation (Lightrail, Train, Electric Busses, Bikes, Lamborfeeties.)
But to do the latter we’d have to go on a major guerilla marketing campaign to undo decades of car company propaganda.
And for the former we’d basically have to perform a miracle.
Fusion could become perfect and effective tomorrow and it still wouldn’t solve the climate crisis because of the power and influence of entrenched corporations
Researching this doesn’t prevent renewables being researched or rolled out? I think the nuclear scientists developing this might be better researching this as opposed to researching fission reactors or researching renewables as this is likely their area of expertise.
Fusion is a long shot but if it was achieved it would be world changing (hopefully for the better)
Agreed, as a whole we need to stop the argument line of reasoning that one alternative is at the expense of another, and then admonishing one because it’s not the “better” of the two options. Multiple things can happen at once, progress isn’t necessarily linear.
Let’s be honest a research isn’t at the expense of others but greedy politicians and CEO’s are at the expense of every research and everything we researched.
In France we got a lot of nuclear fission, probably the best idea we could invest in right? Except investors took any money they could and we never spent enough on upkeep of the facilities nor the next generation of qualified workers. And now we got old power plant that are very hard to deal with.
Outta curiosity, how is fusion viable for bomb research? (Ignoring the fact that the world’s current nuclear arsenal is already incredibly powerful, and that 100mega ton bombs have been designed and 50Mton bombs have been tested)
Edit: thank you to all for providing additional context, I see your point regarding more research is valuable for both weapons and energy research, though to say definitively that it is used for weapons research is neither here nor there.
Thermonuclear bombs are a mixture of fission AND fusion, the amount of energy required to achieve fusion requires fission to provide said energy.
Lasers igniting fusion is a bit of a more of a stretch to create a weapon from (the lasers require 300 mega joules of energy which in turn is 2mj of energy into the reaction and 3mj energy out); it may provide context and more information for fusion as a whole but that information is relevant to both weapons and energy research, not one or the other.
Most fusion attempts try to keep a continuous reaction ongoing.
Tokamak reactors, like JET or ITER do this through a changing magnetic field, which would allow a reaction to keep going for minutes, the goal is somewhere around 10-30min.
Stellerator reactors try to do the same through a closed loop, basically a Möbius band of plasma encircled by magnets. The stellerator topology of Wendelstein 7-X was used as VFX for the closed time loop in Endgame. This complex topology allows the reaction to continue forever. Wendelstein 7-X has managed to keep its reaction for half an hour already.
The NIF is different. It doesn’t try to create a long, ongoing, controlled reaction. It tries to create a nuclear chain reaction for a tiny fraction of a millisecond. Basically a fusion bomb the size of a grain of rice.
The “promise” is that if one were to just repeat this explosion again and again and again, you’d also have something that would almost continually produce energy.
But so far, the NIF has primarily focused on getting as much data as possible about how the first millisecond of a fusion reaction proceeds. The different ways to trigger it, and how it affects the reaction.
The US hasn’t done large scale nuclear testing in decades. Almost everything is now happening in simulations. But the first few milliseconds of the ignition are still impossible to accurately model in a computer. To build a more reliable and stronger bomb, one would need to test the initial part of a fusion reaction in the real world repeatedly.
And that’s where the NIF comes in.
I have no disagreement with your assertion, aside from the neglected aspect of in terms of energy in Vs energy out; the research is likely to help inform nuclear weapons design, yet if they are able to achieve more energy out than in (3mj out Vs 2mj in (though of course they required 300mj to run the lasers to produce this reaction)) then they are providing important data that may help inform different future designs of power generating fusion reactors, this is something that current other designs don’t appear to have achieved afaik.
I doubt they will ever really use this style as a functional form of power generation, but if what they learn from the research allows eventually for a longer functioning fusion reaction that has an overall positive energy output, then it may be rather valuable.
You can always run few extra experiments to make your hydrogen bombs smaller or more reliable.
I could chew the air in Sacramento the other day, so hurry up
