Pouring the perfect beer

 Great inventions are often responses to simple problems. For Matt Younkle, the problem was a discouragingly long line at his college bar. Ten years later, the thirst-inspired spark of frustration he felt then has resulted in Chicago-based Laminar Technologies’s TurboTap (turbotap.com), a 4.5-inch-long stainless-steel nozzle that attaches to standard beer faucets and pours a beer twice as fast as existing taps.

 Pumping beer at high speeds through a traditional tap creates turbulence—the increased pressure causes the beer to flow randomly, not just straight down. Also, air travels up through the tap, mixing with the beer and disturbing its flow. Finally, the beer smashes into the bottom of the glass and foams up.

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via The Presurfer