Hello all ! I am so thrilled to announce that my second book The Physics of Espresso is finally out ! This one took a while longer than I expected, and you’ll understand why when you get your hands on it. It contains hundreds of graphs and drawings, more professional photos and both my editorContinueContinue reading “The Physics of Espresso is out !!”
Category Archives: Physics
More Even Espresso Extractions
In this post, I talk about ways in which I have recently improved my puck preparation for espresso.
On Gravimetric Measurements of Total Dissolved Solids
I come back to my last experiment and explore whether the difference in gravimetric vs volumetric flow could be due to changing shot TDS.
A Comparison between Standard and Low-Fines Espresso Shots
In this post, I compare several shots pulled with the Niche to others pulled with the EG-1 and SSP ultra-low-fines burrs.
The Four Rules of Optimal Coffee Percolation
In this post, I lay down four rules for optimal percolation that follow some of my most recent understanding about percolation physics.
A Study of Espresso Puck Resistance and How Puck Preparation Affects it
In this post, I present an experiment showing that deep WDT helps improve repeatability, and I discuss how to improve espresso preinfusion.
An Espresso Profile that Adapts to your Grind Size
In this blog post, I explore the possibility of a different way to profile espresso shots with the Decent machine to help dialing in faster.
The Physics of Kettle Streams
In this post, I discuss the physics of kettle stream and how we can maximize extraction evenness by changing pour rate and height.
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.
The Hardness of Green Coffee
In this post, I show that surface hardness might vary more than mass density across different green coffees.
Coffee ad Astra 