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submitted 1 year ago by Pips@lemmy.film to c/technology@beehaw.org
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Still used orders of magnitude more energy to perform the experiment than the experiment output - plus they have no way to harvest that energy, and they're mainly a nuclear weapon research facility. I guess the publicity for fusion power is good.

[-] echodot@feddit.uk 31 points 1 year ago* (last edited 1 year ago)

Still used orders of magnitude more energy to perform the experiment than the experiment output

The article literally explains that is not true. All you have to read the first paragraph.

they have no way to harvest that energy

Yes because it's a research reactor. The first theoretical nuclear reactors also did not have any way to retrieve the energy. That's what happens in production systems, not research systems. Adding in all of the equipment to capture the energy makes it harder to iterate on the design. It really is not a valid criticism of the research being done.

You are being somewhat disingenuous do not think.

[-] Chup@feddit.de 11 points 1 year ago

In the 1st paragraph is a link to the previous article of the same experiment a few months ago, that has some more details mentioned:

researchers have managed to release 2.5 MJ of energy after using just 2.1 MJ to heat the fuel with lasers.

the positive energy gain reported ignores the 500MJ of energy that was put into the lasers themselves.

https://www.theguardian.com/environment/2022/dec/12/breakthrough-in-nuclear-fusion-could-mean-near-limitless-energy

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this post was submitted on 07 Aug 2023
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