A University of Birmingham scientist has built a "mini-universe" that takes a step toward answering one of science's biggest questions: "What is time?" Publishing his findings in Physical Review Research, Professor Giovanni Barontini shows how it is possible to measure the flow of time without using a clock at all. The new findings provide a scientific model in which a version of time emerges from the experiment itself.
  • threelonmusketeers@sh.itjust.worksEnglish
    7·
    17 days ago

    How the mini-universe works

    Barontini used a cloud of 24,000 ultracold atoms—just a few billionths of a degree above absolute zero—to create a hermetically sealed quantum system that mimics a simple “universe.”

    Okay, so they didn’t create a new universe. They just sectioned off a portion of the universe we already have, and did experiments on it. Still neat, though.