A physicist built a mini-universe out of cold atoms and used it to test where time comes from. It made big headlines a few weeks ago, and I almost skipped it, as most "universe in a lab" stories are nonsense. But then I actually read the paper. https://t.co/heoIeuM43n #Physics #MiniUniverse #TimeTheory #Nospecificcountrycodescanbeidentifiedinthistweet.
