the.com/proton

the immortal optimist of physics, positive for at least ten thousand trillion trillion years

means A subatomic particle carrying a positive electric charge, found in the nucleus of every atom and helping define which element it is.

from From the Greek 'protos,' meaning 'first' — the same root behind 'prototype' and 'protocol.' The physicist Ernest Rutherford is credited with naming it in the early 20th century, fittingly choosing a word for 'the first one,' since hydrogen's lone proton is the simplest, foundational building block of matter.

lifespanNo proton decay ever observed, despite massive searches
inner crowdMade of three quarks held by gluon glue
mass sourceQuarks supply only 1% of its weight
namingRutherford coined it from Greek for first
hydrogen coreA lone proton is just hydrogen's nucleus
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