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Tag Archives: Coffee brewing

The Pulsar Dripper

This post presents the Pulsar dripper with my current favorite brewing recipe.

Posted byjgagneastroSeptember 13, 2023September 13, 2023Posted inAnnouncements, Brew Methods, RecipesTags:Coffee brewing, Coffee geeks, filter coffee, PulsarLeave a comment on The Pulsar Dripper

More Even Espresso Extractions

In this post, I talk about ways in which I have recently improved my puck preparation for espresso.

Posted byjgagneastroJuly 16, 2022Posted inEspresso, Extraction, PhysicsTags:Coffee brewing, Coffee geeks, Espresso1 Comment on More Even Espresso Extractions

The Physics of Fines Migration

In this post, I explore the details of physical phenomena that can cause fines to migrate and clog coffee filters.

Posted byjgagneastroFebruary 1, 2020January 31, 2020Posted inExtraction, Particle Size Distribution, Physics, V60 BrewsTags:Coffee brewing, Coffee Filters, Coffee geeks, Coffee science, Fines Migration3 Comments on The Physics of Fines Migration

What is Astringency ?

In this post I describe what causes astringency, and talk about ideas how we could potentially measure it or remove it post brewing.

Posted byjgagneastroNovember 12, 2019November 13, 2019Posted inChemistry, Perception of Taste, Tasting Notes, ToolsTags:Coffee brewing, Coffee geeks, Coffee science45 Comments on What is Astringency ?

What Affects Brew Time

In this post I discuss the variables that affect brew time in detail

Posted byjgagneastroOctober 20, 2019October 23, 2019Posted inBrew Methods, Coffee Processing, Coffee Varietals, Extraction, Maths, PhysicsTags:Coffee brewing, Coffee science20 Comments on What Affects Brew Time

A Tool and Videos for Crafting Custom Brew Water

In this post, I present a new tool to create custom brew water recipes, which can be built from any soft water rather than distilled water.

Posted byjgagneastroAugust 23, 2019November 28, 2019Posted inTools, Water for CoffeeTags:Coffee brewing, Coffee geeks, Coffee science, Water for Coffee21 Comments on A Tool and Videos for Crafting Custom Brew Water

An In-Depth Analysis of Coffee Filters

In this longer than usual post, I do a very detailed microscope analysis of various V60, chemex and siphon paper and cloth filters.

Posted byjgagneastroAugust 4, 2019September 2, 2019Posted inCoffee Filters, Data Analysis, MathsTags:Coffee brewing, Coffee Filters, Coffee geeks, Coffee science67 Comments on An In-Depth Analysis of Coffee Filters

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