And they are everywhere below 40m deep (or so) in soft bottoms. Is an omnipresent danger for small fishes. Mantis shrimp are also evil things. Pistol shrimps aren't more known because they are (fortunately) small, but they are very interesting creatures.
> Pistol shrimp (also called snapping shrimp) produce a type of cavitation luminescence from a collapsing bubble caused by quickly snapping its claw… was whimsically dubbed "shrimpoluminescence" upon its discovery in 2001.
I would love to see shrimpoluminescence first hand but it says you can’t see it with the naked eye.
It has subsequently been discovered that another group of crustaceans, the mantis shrimp, contains species whose club-like forelimbs can strike so quickly and with such force as to induce sonoluminescent cavitation bubbles upon impact.
I can add a couple more of things about this creatures. They are predators of but also a common prey for bigger fishes and really easy to identify in food chains because the claw hammers are really durable and also exclusive from each species (They are not exclusive from tropical areas, we have several in Europe).
The expected result with a mechanism like this would be the whole claw disintegrating in a couple of shoots by the tension forces applied over the claw. To avoid that they managed somehow to produce one of the strongest structures known in nature just using chitin. The kind of hot stuff that engineers dreams are made.
I always wondered why this did not receive more attention in the physic field. I remember reading that it could be produce with just water ultrasonic device to cause cavitation of bubble to get this effect.
It generates very fast flash of light,
Abnormally high heat.
Those are not easy thing thing to do with low power devices.
I'm guessing it doesn't scale up, but I don't think billions were spend to try (looking at you tokamak)
You mean specifically in the context of fusion power? Well, fusion is primary concerned with efficiency, and this isn't much efficient and has no avenue for improving.
It can probably scale up on the sense that you get more light emitted, and more high-energy regions. That is just not enough.
It probably will be very useful to replicate that heat-concentration effect on other contexts. But my guess is that the experiment has not gathered much attention yet because nobody invented those contexts. So there are only the purest of the theoretic interest.
Maybe it cannot act as a direct catalyst for fusion but it could potentially act as a catalyst for another potential catalyst for fusion, such as a pellet of fissionable material.
Just re-read this and realized that I'm using the term catalyst in a way that would make a chemist eyes weep. These would be used up in the reaction so it's not a true catalyst but the term has been kind of co-opted to mean anything that can speed up the reaction of something.
I mean, we have all sorts of ways to generate heat and light already. So what special quality do you perceive sonoluminescence potentially having at a large scale?
This is a case of ‘working the numbers’ into something that sounds incredible or absurd. Here’s how it goes:
The H-O bonds in water have an energy of 9.5eV.
If you break and re-form this bond, you get a photon of 130nm.
A blackbody would have to be 22000K to achieve this emission peak.
Therefore, if you ‘measure’ the ‘temperature’ of this phenomenon with a spectroscope, you can get a ridiculous number.
The surface of the sun is generated by fusion at 5700K, so obviously this temperature (22000K) comes from a tiny supernova generated by a common shrimp.
I would like to see a science journal that publishes unvarnished brutal takedown responses from reviewers along with every submission. The WWE of science. At this point, it seems the journals (maybe universities) are fully in the entertainment industry anyway.
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[ 2.8 ms ] story [ 51.9 ms ] threadI would love to see shrimpoluminescence first hand but it says you can’t see it with the naked eye.
Here’s some slow motion video of the bubbles they form:
https://youtu.be/QXK2G2AzMTU
More on the Mantis Shrimp (including super-color sight): https://theoatmeal.com/comics/mantis_shrimp
https://m.youtube.com/watch?v=ZJm0npZAk3o
I can add a couple more of things about this creatures. They are predators of but also a common prey for bigger fishes and really easy to identify in food chains because the claw hammers are really durable and also exclusive from each species (They are not exclusive from tropical areas, we have several in Europe).
The expected result with a mechanism like this would be the whole claw disintegrating in a couple of shoots by the tension forces applied over the claw. To avoid that they managed somehow to produce one of the strongest structures known in nature just using chitin. The kind of hot stuff that engineers dreams are made.
It generates very fast flash of light,
Abnormally high heat.
Those are not easy thing thing to do with low power devices.
I'm guessing it doesn't scale up, but I don't think billions were spend to try (looking at you tokamak)
It can probably scale up on the sense that you get more light emitted, and more high-energy regions. That is just not enough.
It probably will be very useful to replicate that heat-concentration effect on other contexts. But my guess is that the experiment has not gathered much attention yet because nobody invented those contexts. So there are only the purest of the theoretic interest.
I mean, we have all sorts of ways to generate heat and light already. So what special quality do you perceive sonoluminescence potentially having at a large scale?
The H-O bonds in water have an energy of 9.5eV.
If you break and re-form this bond, you get a photon of 130nm.
A blackbody would have to be 22000K to achieve this emission peak.
Therefore, if you ‘measure’ the ‘temperature’ of this phenomenon with a spectroscope, you can get a ridiculous number.
The surface of the sun is generated by fusion at 5700K, so obviously this temperature (22000K) comes from a tiny supernova generated by a common shrimp.
I would like to see a science journal that publishes unvarnished brutal takedown responses from reviewers along with every submission. The WWE of science. At this point, it seems the journals (maybe universities) are fully in the entertainment industry anyway.