Check out this video. Christopher Carpenter of Lark Hill biodynamic winery tossed a GoPro video camera into a vat of marsanne to capture what happened when dry-ice pellets were dropped into the wine. The result is a mesmerising clip of thousands of bubbles shooting to the surface to form a protective blanket of CO2 over the top of the marsanne. Carpenter says the CO2 protected the wine from oxidising during the winemaking process. ‘‘The streams of bubbles actually look like smoke rings from the top,’’ he says. Carpenter hopes to upload more interesting images, saying there are so many things in the winery that are fascinating but ephemeral.