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Scientists Create 3.3 Trillion Degree Particle Soup to Mimic the Universe Just after the Big Bang
There, gold nuclei racing along a 2.4-mile loop reach mind-boggling speeds before they bang together and disintegrate into quark-gluon plasma. Each primordial cloud lasts for only a split second, churning out many particles as it cools, including photons (particles of light) that decay into pairs of electrons and their antimatter counterparts, positrons.
I’m glad stuff like this is still happening.