this post was submitted on 27 Jul 2025
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Last week, Marathon Fusion, a San Francisco-based energy startup, submitted a preprint detailing an action plan for synthesizing gold particles via nuclear transmutation—essentially the process of turning one element into another by tweaking its nucleus. The paper, which has yet to undergo peer review, argues that the proposed system would offer a new revenue stream from all the new gold being produced, in addition to other economic and technological benefits.

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[–] Gladaed@feddit.org 26 points 5 days ago (3 children)

This is stupid, but not for the reasons you would think.

The energy required to change lead into gold is bigger than their difference in price.

[–] frezik@lemmy.blahaj.zone 5 points 4 days ago

The whole point of the paper is that limitation has been breached. The fusion plant would primarily create electricity, and gold is a profitable byproduct.

It's not out of peer review, though.

[–] Allero@lemmy.today 3 points 5 days ago (1 children)

But this reactor turns mercury into gold, and is meant to produce power.

[–] Gladaed@feddit.org 2 points 5 days ago

Mhhh. Would have to check the binding energy per nucleon charts. Might work. I automatically read lead.

[–] buddascrayon@lemmy.world 2 points 5 days ago (1 children)

LoL, why else would they be publishing a paper on the process rather than buying an absolute ton of mercury and manufacturing gold like mad?

[–] frezik@lemmy.blahaj.zone 3 points 4 days ago (1 children)

Because they have to build a full scale reactor first. That's expensive.

The way this usually works is that you do the research, get a patent on it, license that out, and then capitalists pretend they invented the whole thing themselves and deserve all the profits.

[–] humanspiral@lemmy.ca 1 points 4 days ago

And fusion doesn't work yet. May be 20+ years away for 20+ more years.