this post was submitted on 21 Jan 2025
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Science

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[–] [email protected] 5 points 1 month ago (11 children)

I'm studying Physics at the moment and Prof. gave us a printout of a textbook last week stating that the internal of the sun generates approximately 150 W / m³ on average. That's about as much as a compost pile, so, not very much. The sun only generates enormous amounts of power because it's so huge. In other words, reproducing fusion on Earth might actually not be very efficient.

[–] [email protected] 30 points 1 month ago (4 children)

Found this article

https://www.abc.net.au/science/articles/2012/04/17/3478276.htm

And it looks like it's saying that the energy produced by nuclear fusion (which happens in the relatively small core) divided by the entire mass of the sun, gives you that low number.

Terrestrial fusion power plants are aiming to be sun cores, so that all the hydrogen they put in gets fused, and not just a few atoms here and there.

[–] [email protected] 20 points 1 month ago (2 children)

Why do people assume that scientists don’t sanity check themselves? Genuine question, no offense to the OC here.

[–] Grandwolf319 10 points 1 month ago

Cause maybe they assume scientists are hyping things up like VCs for AI.

In a dishonest world, the honest would be mistrusted more.

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