There are up to twenty million bubbles in one bottle of champagne. For centuries, champagne makers considered pent-up carbon dioxide a hazard that could make their bottles explode. But when 17th century Benedictine monk Dom Pierre Perignon invented the wire cage that holds the cork onto the bottle, everything changed. Now 322 million bottles of champagne are sold every year around the world. The WSJ's Robert Lee Hotz investigates the science behind the bubbly. Take a look:
