Would neutrinosynthesis be physically possible for a lifeform to have?

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SUMMARY

Neutrinosynthesis, the hypothetical process of lifeforms utilizing neutrinos for energy, is deemed unfeasible due to the extremely low interaction cross-section of neutrinos with ordinary matter. For an organism to leverage neutrinos, it would require specialized organs or molecules capable of detecting and absorbing these particles, which is highly improbable given their ephemeral nature. The discussion concludes that unless neutrino flux is extraordinarily high, the potential for neutrinos to serve as a viable energy source for life is negligible.

PREREQUISITES
  • Understanding of neutrino physics and properties
  • Knowledge of interaction cross-sections in particle physics
  • Familiarity with energy extraction mechanisms in biological systems
  • Basic concepts of photosynthesis and energy conversion in organisms
NEXT STEPS
  • Research neutrino interaction cross-sections with ordinary matter
  • Explore the mechanisms of energy extraction in photosynthetic organisms
  • Study the properties and behavior of neutrinos in various environments
  • Investigate alternative energy sources for hypothetical extraterrestrial lifeforms
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Physicists, biologists, astrobiologists, and anyone interested in the intersection of particle physics and potential biological processes in extraterrestrial environments.

SpeedOfLightYagami
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It's fascinating how all photosynthesis (the food of plants) requires is sunlight. If neutrinos are everywhere, could neutrinosynthesis be possible if an organism evolved to have it? Or are they too simple to have an appreciable effect on a lifeform?
 
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You would first have to figure out how/if they could
  • detect it
  • interact with it
  • extract energy from it.

I don't mean consciously; I mean they would need to have some organ or molecule that would stop/absorb neutrinos before they could leverage it for any purpose.

Neutrinos are notoriously ephemeral. They pass through planets; what could a critter - who is, after all, made of planet stuff - do about it?
 
Unless the neutrino flux is so absurdly high that interactions between neutrinos and the organism happens on a regular basis, i.e. thousands of times a second, I don’t see it being a viable energy source. And if your neutrino flux is that high, then you probably have way bigger problems. 🤣

Aside from that, what’s the type of energy released by a neutrino interacting with something? A flash of ultra faint light? A burst of radiation and particles? I don’t remember off the top of my head but I don’t think it’s a viable energy source for a life form.
 
SpeedOfLightYagami said:
If neutrinos are everywhere, could neutrinosynthesis be possible if an organism evolved to have it?
So please read more about neutrinos and their reaction cross-section with ordinary matter (extremely small). Once you do that reading, I think you will understand why your speculative idea could not work. This thread is closed for now because of the speculation. Keep asking good questions, but only after you have done the searching and reading of technical articles. Thanks :smile:

https://en.wikipedia.org/wiki/Neutrino
 
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