Despite many decades of experimental and theoretical efforts around the world many aspects of the role gluons play in QCD remains a mystery. While we know gluons are important, we don’t know exactly how the properties of hadrons such as mass and their spin, emerge from their interactions amongst themselves and with quarks. We don’t know exactly exactly exactly how the nuclei are bound together. We don’t know if there is saturated phase of nuclear matter predominantly made of gluons at high energy in all nucleons and nuclei, as is predicted by QCD. A high-energy, high-lumonisity polarized electron-ion collider is proposed to address these compelling unsolved questions in QCD. On January 19, 2020 the US department of Energy declared the start of the EIC project and that the site would be Brookhaven National Laboratory (BNL) using the already existing Relativistic Heavy Ion Collider (RHIC). The Thomas Jefferson National Laboratory (TJNF or JLab) will be work with BNL closely as equal partner, and both together with the world wide EIC enthusiasts organized under the umbrella of EIC Users Group will realize this facility at the end of the decade. In this talk, I will highlight the exciting science of EIC, and review the current activities underway aimed at realizing the first collisions for physics at the turn of this decade.
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