Why “neutrino” is being discussed
The most recent Hacker News stories and comments contributing to this topic's mentions.
Neutrinos are very weakly interacting and hence you need a massive amount of some matter through which they can pass so as to have a decent probability of getting an interaction…
by rramadass · Oct 7, 2026
If it moves, we can communicate with it. Your mobile phone's neutrino signal will not lose a single bar, wherever you are on Earth, or in the solar system, or in the galaxy.
by danyala · Oct 7, 2026
https://news.ycombinator.com/item?id=39489395 . Related old submission by me. Did you guys know we have a neutrino image of the Sun? Remarkable stuff. The Japanes…
by joebig · Oct 7, 2026
" in February 2023, [KM3NeT] detected the most energetic neutrino ever observed. It's called KM3-230213A, and its estimated energy was 220 PeV (220 x 10^15 electron volts or 220…
by 8bitsrule · Oct 7, 2026
> a cubic kilometer of ice into a neutrino detector. How? Scientists drilled boreholes 2.5km deep into the ice Seems odd that boring 2.5km into ice would protrude 1.5km out the…
by WalterBright · Oct 6, 2026
Since neutrinos don’t interact with much of anything, its path doesn’t deviate from its origin. Different origins emit neutrinos with different levels of energy. When a neutrino…
by ww520 · Oct 6, 2026
Interest
Proportion of Hacker News items mentioning "neutrino" over time.
Mentions
Total number of Hacker News items mentioning "neutrino" over time.
A neutrino is an elementary particle that interacts via the weak interaction and gravity. The neutrino is so named because it is electrically neutral and because its rest mass is so small (-ino) that it was long thought to be zero. The rest mass of the neutrino is much smaller than that of the other known elementary particles . The weak force has a very short range, the gravitational interaction is extremely weak due to the very small mass of the neutrino, and neutrinos do not participate in the electromagnetic interaction or the strong interaction. Consequently, neutrinos typically pass through normal matter unimpeded and with no detectable effect. Read more on Wikipedia