by scifine6 April 29, 2011

by DippyTheDuck May 13, 2022

by d add y April 28, 2022

by TURN ME UP SHMEREE May 17, 2019

by pdjejsn June 9, 2022

designating a flavor (variant) of stable quark with a low mass and a +2/3 electric charge. Up and down quarks are the building blocks of protons and neutrons in the Standard Model.
Within the field of subatomic particles, up quarks are essential for defining the characteristics and behavior of protons and neutrons, therefore serving as basic building blocks of matter in our universe.
by Arminkshipper June 15, 2025
