Brewing goes high-tech. Well at least it does for small breweries. There is nothing worse than gulping down a cool stubbie and getting a flat, foul tasting experience. This seldom happens, of course, due to testing of the product in its creation. Invisible Sentinel has made a fantastic new product that solves most of the problems. A tiny device like a pregnancy tester called brewPal fits comfortably into your hand. It analyses a beer's DNA and shows only one of two findings: either the beer is clear, or it has a spoiling infection. When you exercise, lactic acid builds up in your body. This makes you feel tired. Excess lactic acid is also the cause of "off" beer. Unwanted bacteria produce the acid. Lactobacillus and Pediococcus are resistant to hops so they thrive in the brew. Oddly, some beers need these bacteria. Culturing beer in the lab was time-consuming, especially in the hunt for Lactos and Pedis . It takes a week. Small companies c
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