Since when is an arxiv.org paper and a physics letter mean that significant new piece of physics is confirmed?
Back when I was in physics grad school, getting a paper in Nature or Science was the dream. But a paper in PRL was also considered a big deal.
> While we're waiting for the papers to be published, we need to be skeptical about the two claims. But the fact that two separate teams have used the same blueprint to make time crystals out of vastly different systems is promising.