Newslink: Physicists Finally Narrowed Down the Mass of the Tiniest 'Ghost Particle' in the Universe

in #newslink5 years ago

We're full of neutrinos all the time. They're everywhere, nearly undetectable, flitting through normal matter. We barely know anything about them — not even how heavy they are.

https://www.space.com/neutrino-mass-measurement-galaxies.html

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