The Science Of The Root Beer Float

A few days ago, while talking about mundane business issues, I learned that today, August 19th, was the birthday of that famous childhood delight, the 'black cow', what would later be called a root beer float. If you are not up on your carbonated beverage lore, root beer hails from the root of the sassafras tree or the sarsaparilla vine.  When the root mixture is mixed with water, sugar and yeast, it is sweetened and the yeast generates carbon dioxide and carbonates the water. read more

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