If there’s one thing America needs right now, it’s more beer. So why are bars short-pouring their pints? Boulder scientist Chris Holloway doesn’t feel there’s any conspiracy among light-handed bartenders, but he has invented a way to thwart this alarming trend: the Beer Gauge. About the size of a credit card, the Gauge is an easy-to-use, mathematically sound device that calculates just how much beer is (or isn’t) in your pint glass.
Read more at A.V. Club