this post was submitted on 08 Nov 2023
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I'm pretty bullish on science investments, but I've heard multiple arguments that this thing is probably not worth the money. The most prevalent argument I've heard to the contrary is basically "we could discover something that might be interesting." But like very little in terms of concrete measurable returns on investment for it.
This article does a good job of arguing against it I think. https://www.scientificamerican.com/article/the-world-doesnt-need-a-new-gigantic-particle-collider/
My mind isn't made up on the topic, so like can anybody explain to me why this thing is actually worth 30+ billion dollars?
Off the top of my head, I can't think of any advance that didn't at some point depend on people just dicking around to see what they could see.
"What happens if we spin this stick really really fast against this other stick?"
"Cool! What happens if we put some dried moss around it?"
"That's nuts, man! Hey, I wonder what happens if we toss some of our leftovers in there?"
"C'mon over here, guys. You gotta taste this!"
At worst, a project like this keeps a lot of curious people in one place where we can make sure they don't cause harm with their explorations. At best, whole new industries are founded. Never forget that modern electronics would never have existed without Einstein and Bohr arguing over the behaviour of subatomic particles.
Say the actual construction cost is $100 billion over 10 years and operational costs are $1 billion a year. Compared to all the stupid and useless stuff we already spend money on, that's little more than pocket lint. We could extract that much from the spending of one military alliance and it would look like a rounding error. Hell, we could add one cent to the price of each litre of soft drinks, alcoholic beverages, and bottled water and have money left over.
Has the LHC resulted in any kind of tangible returns on investment so far? I know they proved the existence of the Higgs Boson, but all that did as I understand it was verify what we were already pretty sure of.
I'm just having a hard time understanding why we can't blow 30 or 100 billion or whatever on something else like fusion research. Or just something with a more concrete "if we pull this off it solves " kinda prospect.
I understand science can walk and chew gum at the same time, but this in particular seems like a shitload to spend and a lot of land to disturb so that particle physicists can nerd out in an underground torus proving theories but maybe not moving the needle much for mankind.
I also think there are better places to put this kind of money, including on projects that we are certain have obvious potential to change the world for the better.
What I was getting at was the very idea that we absolutely have to know what the return is before we start. Just because we know the potential return doesn't mean that it's not research (as in your fusion example), but just because we can't identify a return ahead of time doesn't mean there won't be one.
Also, I don't know if there have been any tangible benefits from the LHC. Precision manufacturing? Improvements in large-scale, multi-jurisdiction project management? Data analytics techniques? More efficient superconducting magnets? I don't know if those are actual side effects of the project and, if they are, I don't know that the LHC was the only way to get them.
Edit: or, like the quantum physics underlying our electronics, maybe we won't know for 50-100 years just how important that proof was.