Espresso

Espresso drinks at your favorite coffee shop or chain, such as Starbucks, can become an expensive habit, starting at around $4 per drink for a basic tall or grande cafe latte. If you drink at one of these per workday, that's as much as a $1,200 per year habit based on 300 drinks a year! It may be time to consider your own espresso machine so you can save money and have more control over the quality and variety of your beans. Features: 15-Bar Italian pump | Thermoblock heating technology | 2-liter capacityAt a $400…

Coffee Data ScienceEspresso from Another MicronDouble grinding coffee became an interesting discussion a few years ago. However, the discussion hasn’t moved forward on why this is interesting. I looked at double grinding, and I found the more interesting part was separating the inside fines from the rest of the coffee.This got me thinking about grinding and sifting a few times. If I sift out everything below 300um each time, would the particles mostly be the same particle size after a few rounds. So on a whim, I ground…

Coffee Data ScienceData from Timon KaufmannThe iDroprep tamper is a new type of tamper which uses a gel-like pad to modify how the tamp impacts the grounds. Timon Kaufmann made a video and collected some data on the tamper performance across a few shots (if you don’t speak German, turn on auto-closed captions translated to English). He presented the data in a table, so I pulled the data and graphed it to get a different look.All images by authorHere is the original data:He collected Extraction Yield (EY) which measures…