> ## Content Index
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# How Scientists Made the Hottest Thing Ever
- URL: https://www.cascadepbs.org/show/its-okay-be-smart/episode/how-scientists-made-the-hottest-thing-ever-9ccjlb/
- Published: 2024-04-02T23:16:44.000Z
- Updated: 2025-08-20T09:54:35.000Z
- Description: A cosmic soup hadn’t existed in 13.8 billion years. Now, scientists cook it up in a lab.
- Author: Cascade PBS Staff
- Tags: Be Smart, Season 11, Episode 21, #ZZZ_Episode_4c740396-bb09-4ce7-bc43-0f46955023d0, #episode, #ZZZ_Show_dc38a6e9-266e-43c1-b647-45e7445fad27, #v1.16

At CERN, physicists are searching for answers to some of the biggest questions ever — like how the universe started and where everything comes from. To get one step closer to an answer, CERN scientists recreated the first moment after the Big Bang… making extreme temperatures that hadn’t existed anywhere in the universe in 13.8 billion years. Join us to see how they did it.