https://www.cnn.com/travel/article/5000-year-old-beer-yeast-scn/index.html
Watch the video. They show a centrifuge, presumably to settle the yeast in those tubes, but I think they end up with something else - the final bottled beer are gushers.
Watch the video. They show a centrifuge, presumably to settle the yeast in those tubes, but I think they end up with something else - the final bottled beer are gushers.