Just a heads up: These stackable glasses come with a caveat ... the infamous and excruciating 119.5-second wait for the beer ...

Cláudio de Castro Pellegrini of the Federal University of São João del-Rei in Brazil recently set out to formulate an equation to determine the optimal shape of a beer glass that will keep a ...

discovered that the specially designed Guinness pint glass causes the bubbles to sink and increases the wait time for the beer to settle. Following a transcript of the video. Narrator: You've been ...