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Quantifying the taste of coffee

Gizmodo takes note of Vincent Fedele’s efforts on how to brew coffee. A bit of software and some technological advances plus an effective use of what people have learned about coffee brewing has resulted in better measures. ExtractMoJo is the refractometer part that actually measures the brew,

Not so long ago, a refractometer of the caliber would’ve cost around $10,000, says Vince, but thanks to the increasing power of digital camera resolutions, he was able to create a handheld model that’s just a couple hundreds bucks.

Take the results of the refractometry to infer total dissolved solids and extraction yield then check those numbers against a chart of coffee flavor whose heritage traces back to the 60’s and you get an assessment of what the coffee is going to taste like – whether it was brewed properly for what you want.

$360 for a refractometer to help guide your skill in brewing coffee may seem a bit steep but that just tells you how much some folks think a good cup of coffee is worth.

— But it is rather incredible that you can get instruments of this caliber for amateur use. It provides an insight into how the home chemistry lab these days differs from that of fifty years ago.

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