41554 blogs · [ { "id": "01a08762-4041-7146-a5b0-2c7431329d44", "title": "The Importance of Bed Depth", "url": "https://coffeeadastra.com/2025/11/28/the-pulsar-mini-and-the-importance-of-bed-depth/", "published_at": "2025-11-28T21:00:00+00:00" }, { "id": "01a08762-4042-70a0-8354-353202317a63", "title": "The Physics of Espresso is out !!", "url": "https://coffeeadastra.com/2025/08/14/the-physics-of-espresso-is-out/", "published_at": "2025-08-14T18:53:26+00:00" }, { "id": "01a08762-4042-70a0-8354-353202f44626", "title": "Recent Insights into Espresso Dynamics April 14 Chicago Conference", "url": "https://coffeeadastra.com/2024/03/09/recent-insights-into-espresso-dynamics-april-14-chicago-conference/", "published_at": "2024-03-09T14:08:24+00:00" }, { "id": "01a08762-4042-70a0-8354-353203c2d3ca", "title": "What I learned from analyzing 300 particle size distributions for 24 espresso grinders", "url": "https://coffeeadastra.com/2023/09/21/what-i-learned-from-analyzing-300-particle-size-distributions-for-24-espresso-grinders/", "published_at": "2023-09-21T12:43:04+00:00" }, { "id": "01a08762-4042-70a0-8354-35320460e5c8", "title": "The Pulsar Dripper", "url": "https://coffeeadastra.com/2023/09/13/the-pulsar-dripper/", "published_at": "2023-09-13T13:13:37+00:00" }, { "id": "01a08762-4042-70a0-8354-353204e07f86", "title": "The Mechanism Behind Astringency in Coffee", "url": "https://coffeeadastra.com/2022/08/01/the-mechanism-behind-astringency-in-coffee/", "published_at": "2022-08-01T17:44:34+00:00" }, { "id": "01a08762-4042-70a0-8354-3532053abd85", "title": "More Even Espresso Extractions", "url": "https://coffeeadastra.com/2022/07/16/more-even-espresso-extractions/", "published_at": "2022-07-16T14:55:02+00:00" }, { "id": "01a08762-4042-70a0-8354-35320589caeb", "title": "The Physics of Coffee Class", "url": "https://coffeeadastra.com/2022/03/17/the-physics-of-coffee-class/", "published_at": "2022-03-18T02:41:26+00:00" }, { "id": "01a08762-4042-70a0-8354-353205dab0c1", "title": "Restraining Flow to Mitigate Channels", "url": "https://coffeeadastra.com/2021/10/23/restraining-flow-to-mitigate-channels/", "published_at": "2021-10-23T14:44:32+00:00" }, { "id": "01a08762-4042-70a0-8354-353205e23ab1", "title": "Reaching Fuller Flavor Profiles with the AeroPress", "url": "https://coffeeadastra.com/2021/09/07/reaching-fuller-flavor-profiles-with-the-aeropress/", "published_at": "2021-09-08T00:39:06+00:00" }, { "id": "01a0c503-84e2-7346-9adc-62a02e4f6333", "title": "On Gravimetric Measurements of Total Dissolved Solids", "url": "https://coffeeadastra.com/2021/07/12/on-gravimetric-measurements-of-total-dissolved-solids/", "published_at": "2021-07-13T01:36:26+00:00" }, { "id": "01a0c503-84e2-7346-9adc-62a02f167ef9", "title": "A Comparison between Standard and Low-Fines Espresso Shots", "url": "https://coffeeadastra.com/2021/05/10/a-comparison-between-standard-and-low-fines-espresso-shots/", "published_at": "2021-05-10T18:18:19+00:00" }, { "id": "01a0c503-84e2-7346-9adc-62a030114b53", "title": "Pulling Low-Fines Espresso Shots", "url": "https://coffeeadastra.com/2021/04/14/pulling-low-fines-espresso-shots/", "published_at": "2021-04-14T19:56:15+00:00" }, { "id": "01a0c503-84e2-7346-9adc-62a030290c04", "title": "How a Paper Filter Below an Espresso Puck Affects Hydraulic Resistance", "url": "https://coffeeadastra.com/2021/04/04/how-a-paper-filter-below-an-espresso-puck-affects-hydraulic-resistance/", "published_at": "2021-04-05T01:02:18+00:00" }, { "id": "01a0c503-84e2-7346-9adc-62a0311a1539", "title": "The Four Rules of Optimal Coffee Percolation", "url": "https://coffeeadastra.com/2021/03/04/the-four-rules-of-optimal-coffee-percolation/", "published_at": "2021-03-05T01:20:16+00:00" }, { "id": "01a0c503-84e2-7346-9adc-62a0315d6524", "title": "A Study of Espresso Puck Resistance and How Puck Preparation Affects it", "url": "https://coffeeadastra.com/2021/01/16/a-study-of-espresso-puck-resistance-and-how-puck-preparation-affects-it/", "published_at": "2021-01-17T01:09:18+00:00" }, { "id": "01a0c503-84e2-7346-9adc-62a03186a905", "title": "An Espresso Profile that Adapts to your Grind Size", "url": "https://coffeeadastra.com/2020/12/31/an-espresso-profile-that-adapts-to-your-grind-size/", "published_at": "2020-12-31T20:06:23+00:00" }, { "id": "01a0c503-84e2-7346-9adc-62a03191751f", "title": "Brewing with the Fellow Stagg [X] Dripper", "url": "https://coffeeadastra.com/2020/12/09/brewing-with-the-fellow-stagg-x-dripper/", "published_at": "2020-12-10T01:31:52+00:00" }, { "id": "01a0c503-84e2-7346-9adc-62a0328ec217", "title": "The Effects of Varieties, Origin and Processing", "url": "https://coffeeadastra.com/2020/09/05/the-effects-of-varieties-origin-and-processing/", "published_at": "2020-09-05T16:08:50+00:00" }, { "id": "01a0c503-84e2-7346-9adc-62a03357b52e", "title": "The Physics of Kettle Streams", "url": "https://coffeeadastra.com/2020/05/23/the-physics-of-kettle-streams/", "published_at": "2020-05-23T14:29:09+00:00" }, { "id": "01a0c515-d5ad-7145-8608-a606c4a89b3a", "title": "Why Can’t we Grind Coffee Finer for Pour Over ?", "url": "https://coffeeadastra.com/2020/04/02/why-cant-we-grind-coffee-finer-for-pour-over/", "published_at": "2020-04-03T02:22:57+00:00" }, { "id": "01a0c515-d5ae-7349-8f9b-073da6c3105b", "title": "Measuring Brew Water Properties", "url": "https://coffeeadastra.com/2020/02/25/measuring-brew-water-properties/", "published_at": "2020-02-25T18:07:58+00:00" }, { "id": "01a0c515-d5ae-7349-8f9b-073da7c203ea", "title": "The Physics of Fines Migration", "url": "https://coffeeadastra.com/2020/02/01/the-physics-of-fines-migration/", "published_at": "2020-02-01T17:01:00+00:00" }, { "id": "01a0c515-d5ae-7349-8f9b-073da7ce6a41", "title": "The Struggle for a Steady Kettle Flow", "url": "https://coffeeadastra.com/2020/01/02/the-struggle-for-a-steady-kettle-flow/", "published_at": "2020-01-02T17:00:00+00:00" }, { "id": "01a0c515-d5ae-7349-8f9b-073da7e57698", "title": "The Hardness of Green Coffee", "url": "https://coffeeadastra.com/2019/11/23/the-hardness-of-green-coffee/", "published_at": "2019-11-23T04:13:57+00:00" }, { "id": "01a0c515-d5ae-7349-8f9b-073da86ddc9a", "title": "What is Astringency ?", "url": "https://coffeeadastra.com/2019/11/12/what-is-astringency/", "published_at": "2019-11-12T23:28:00+00:00" }, { "id": "01a0c515-d5ae-7349-8f9b-073da951f947", "title": "What Affects Brew Time", "url": "https://coffeeadastra.com/2019/10/20/what-affects-brew-time/", "published_at": "2019-10-20T01:27:20+00:00" }, { "id": "01a0c515-d5ae-7349-8f9b-073da987d0a7", "title": "Extraction Uniformity and Channeling", "url": "https://coffeeadastra.com/2019/10/04/extraction-uniformity-and-channeling/", "published_at": "2019-10-04T15:53:47+00:00" }, { "id": "01a0c515-d5ae-7349-8f9b-073daa21de84", "title": "Measuring Coffee Concentration with a 0.01% Precision", "url": "https://coffeeadastra.com/2019/09/21/measuring-coffee-concentration-with-a-0-01-precision/", "published_at": "2019-09-21T02:29:51+00:00" }, { "id": "01a0c515-d5ae-7349-8f9b-073daad7d1c8", "title": "An Investigation of Kettle Temperature Stability", "url": "https://coffeeadastra.com/2019/09/06/an-investigation-of-kettle-temperature-stability/", "published_at": "2019-09-06T12:00:00+00:00" }, { "id": "01a0c520-cce3-717f-bb29-3957e062ba43", "title": "A Tool and Videos for Crafting Custom Brew Water", "url": "https://coffeeadastra.com/2019/08/23/a-tool-and-videos-for-crafting-custom-brew-water/", "published_at": "2019-08-23T05:09:38+00:00" }, { "id": "01a0c520-cce3-717f-bb29-3957e132f9e9", "title": "An In-Depth Analysis of Coffee Filters", "url": "https://coffeeadastra.com/2019/08/04/an-in-depth-analysis-of-coffee-filters-2/", "published_at": "2019-08-04T04:09:19+00:00" }, { "id": "01a0c520-cce4-73a2-ab73-9726132fdd16", "title": "How Coffee Varietals and Processing Affect Taste", "url": "https://coffeeadastra.com/2019/07/23/how-coffee-varietals-and-processing-affect-taste-2/", "published_at": "2019-07-23T02:56:21+00:00" }, { "id": "01a0c520-cce4-73a2-ab73-972613fba879", "title": "Why do Percolation and Immersion Coffee Taste so Different ?", "url": "https://coffeeadastra.com/2019/07/16/why-do-percolation-and-immersion-coffee-taste-so-different/", "published_at": "2019-07-16T03:37:46+00:00" }, { "id": "01a0c520-cce4-73a2-ab73-972614674abc", "title": "The Repeatability of Manual V60 Pour Overs", "url": "https://coffeeadastra.com/2019/06/11/the-repeatability-of-manual-v60-pour-overs/", "published_at": "2019-06-11T23:34:46+00:00" }, { "id": "01a0c520-cce4-73a2-ab73-9726153964d5", "title": "A V60 Pour Over Video", "url": "https://coffeeadastra.com/2019/06/09/a-v60-pour-over-video/", "published_at": "2019-06-09T00:34:45+00:00" }, { "id": "01a0c520-cce4-73a2-ab73-972615e32970", "title": "About Patreon", "url": "https://coffeeadastra.com/2019/06/09/about-patreon/", "published_at": "2019-06-09T00:22:20+00:00" }, { "id": "01a0c520-cce4-73a2-ab73-972616d81170", "title": "Seasoning Grinder Burrs and Grind Quality", "url": "https://coffeeadastra.com/2019/05/27/seasoning-grinder-burrs-and-grind-quality-2/", "published_at": "2019-05-27T03:52:48+00:00" }, { "id": "01a0c520-cce4-73a2-ab73-972617cd77ad", "title": "Grind Quality and the Popcorning Effect", "url": "https://coffeeadastra.com/2019/04/12/grind-quality-and-the-popcorning-effect/", "published_at": "2019-04-12T03:40:34+00:00" }, { "id": "01a0c520-cce4-73a2-ab73-97261838f9d5", "title": "An App to Measure your Coffee Grind Size Distribution", "url": "https://coffeeadastra.com/2019/04/07/an-app-to-measure-your-coffee-grind-size-distribution-2/", "published_at": "2019-04-07T20:01:27+00:00" }, { "id": "01a0c52b-e96e-7119-b18a-14a65079ab29", "title": "Some Strategies to Keep your Coffee Fresh", "url": "https://coffeeadastra.com/2019/03/26/some-strategies-to-keep-your-coffee-fresh/", "published_at": "2019-03-26T05:52:08+00:00" }, { "id": "01a0c52b-e96e-7119-b18a-14a6515453db", "title": "A Recipe to Brew High Extraction Coffee with the Siphon", "url": "https://coffeeadastra.com/2019/03/25/a-recipe-to-brew-high-extraction-coffee-with-the-siphon/", "published_at": "2019-03-25T06:06:10+00:00" }, { "id": "01a0c52b-e96e-7119-b18a-14a651aa68a6", "title": "Testing a Model of Extraction Dynamics", "url": "https://coffeeadastra.com/2019/02/23/testing-a-model-of-extraction-dynamics/", "published_at": "2019-02-23T18:47:37+00:00" }, { "id": "01a0c52b-e96e-7119-b18a-14a651afe62d", "title": "A More Accurate Way to Calculate Average Extraction Yield", "url": "https://coffeeadastra.com/2019/02/20/a-more-accurate-way-to-calculate-average-extraction-yield/", "published_at": "2019-02-20T22:12:43+00:00" }, { "id": "01a0c52b-e96e-7119-b18a-14a6523f7a60", "title": "Measuring and Reporting Extraction Yield", "url": "https://coffeeadastra.com/2019/02/17/measuring-and-reporting-extraction-yields/", "published_at": "2019-02-17T17:19:56+00:00" }, { "id": "01a0c52b-e96e-7119-b18a-14a65257969c", "title": "Measuring the Concentration of Espresso Shots", "url": "https://coffeeadastra.com/2019/02/12/measuring-the-concentration-of-espresso-shots/", "published_at": "2019-02-12T06:45:55+00:00" }, { "id": "01a0c52b-e96e-7119-b18a-14a652abbd05", "title": "The Dynamics of Coffee Extraction", "url": "https://coffeeadastra.com/2019/01/29/the-dynamics-of-coffee-extraction/", "published_at": "2019-01-29T04:09:40+00:00" }, { "id": "01a0c52b-e96e-7119-b18a-14a6536ed43c", "title": "Statistics and Blind Tasting", "url": "https://coffeeadastra.com/2019/01/17/statistics-and-blind-tasting/", "published_at": "2019-01-17T21:14:44+00:00" }, { "id": "01a0c52b-e96e-7119-b18a-14a653bd17c3", "title": "Extracting Shells of Coffee", "url": "https://coffeeadastra.com/2019/01/17/extracting-shells-of-coffee/", "published_at": "2019-01-17T05:38:56+00:00" }, { "id": "01a0c52b-e96e-7119-b18a-14a654b5cd68", "title": "Why Spin the Slurry ?", "url": "https://coffeeadastra.com/2019/01/09/why-spin-the-slurry/", "published_at": "2019-01-09T21:08:34+00:00" }, { "id": "01a0c537-1d0c-7304-a84d-3085d1ae4465", "title": "Water for Coffee Extraction", "url": "https://coffeeadastra.com/2018/12/16/water-for-coffee-extraction/", "published_at": "2018-12-16T21:46:38+00:00" }, { "id": "01a0c537-1d0c-7304-a84d-3085d24f0ba1", "title": "Improving the Bloom of your V60 Coffee", "url": "https://coffeeadastra.com/2018/12/11/improving-the-blossom-of-your-v60-coffee/", "published_at": "2018-12-11T00:33:53+00:00" }, { "id": "01a0c537-1d0c-7304-a84d-3085d3286aa7", "title": "How to Brew Better Coffee with a V60", "url": "https://coffeeadastra.com/2018/11/30/brewing-better-coffee/", "published_at": "2018-11-30T02:58:49+00:00" } ] posts Claim your blog

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2025

The Importance of Bed Depth original ↗

28 Nov 2025

The Physics of Espresso is out !!original ↗

14 Aug 2025

2024

Recent Insights into Espresso Dynamics April 14 Chicago Conference original ↗

9 Mar 2024

2023

What I learned from analyzing 300 particle size distributions for 24 espresso grinders original ↗

21 Sept 2023

The Pulsar Dripper original ↗

13 Sept 2023

2022

The Mechanism Behind Astringency in Coffee original ↗

1 Aug 2022

More Even Espresso Extractions original ↗

16 Jul 2022

The Physics of Coffee Class original ↗

18 Mar 2022

2021

Restraining Flow to Mitigate Channels original ↗

23 Oct 2021

Reaching Fuller Flavor Profiles with the AeroPress original ↗

8 Sept 2021

On Gravimetric Measurements of Total Dissolved Solids original ↗

13 Jul 2021

A Comparison between Standard and Low-Fines Espresso Shots original ↗

10 May 2021

Pulling Low-Fines Espresso Shots original ↗

14 Apr 2021

How a Paper Filter Below an Espresso Puck Affects Hydraulic Resistance original ↗

5 Apr 2021

The Four Rules of Optimal Coffee Percolation original ↗

5 Mar 2021

A Study of Espresso Puck Resistance and How Puck Preparation Affects it original ↗

17 Jan 2021

2020

An Espresso Profile that Adapts to your Grind Size original ↗

31 Dec 2020

Brewing with the Fellow Stagg [X] Dripper original ↗

10 Dec 2020

The Effects of Varieties, Origin and Processing original ↗

5 Sept 2020

The Physics of Kettle Streams original ↗

23 May 2020

Why Can’t we Grind Coffee Finer for Pour Over ?original ↗

3 Apr 2020

Measuring Brew Water Properties original ↗

25 Feb 2020

The Physics of Fines Migration original ↗

1 Feb 2020

The Struggle for a Steady Kettle Flow original ↗

2 Jan 2020

2019

The Hardness of Green Coffee original ↗

23 Nov 2019

What is Astringency ?original ↗

12 Nov 2019

What Affects Brew Time original ↗

20 Oct 2019

Extraction Uniformity and Channeling original ↗

4 Oct 2019

Measuring Coffee Concentration with a 0.01% Precision original ↗

21 Sept 2019

An Investigation of Kettle Temperature Stability original ↗

6 Sept 2019

A Tool and Videos for Crafting Custom Brew Water original ↗

23 Aug 2019

An In-Depth Analysis of Coffee Filters original ↗

4 Aug 2019

How Coffee Varietals and Processing Affect Taste original ↗

23 Jul 2019

Why do Percolation and Immersion Coffee Taste so Different ?original ↗

16 Jul 2019

The Repeatability of Manual V60 Pour Overs original ↗

11 Jun 2019

A V60 Pour Over Video original ↗

9 Jun 2019

About Patreon original ↗

9 Jun 2019

Seasoning Grinder Burrs and Grind Quality original ↗

27 May 2019

Grind Quality and the Popcorning Effect original ↗

12 Apr 2019

An App to Measure your Coffee Grind Size Distribution original ↗

7 Apr 2019

Some Strategies to Keep your Coffee Fresh original ↗

26 Mar 2019

A Recipe to Brew High Extraction Coffee with the Siphon original ↗

25 Mar 2019

Testing a Model of Extraction Dynamics original ↗

23 Feb 2019

A More Accurate Way to Calculate Average Extraction Yield original ↗

20 Feb 2019

Measuring and Reporting Extraction Yield original ↗

17 Feb 2019

Measuring the Concentration of Espresso Shots original ↗

12 Feb 2019

The Dynamics of Coffee Extraction original ↗

29 Jan 2019

Statistics and Blind Tasting original ↗

17 Jan 2019

Extracting Shells of Coffee original ↗

17 Jan 2019

Why Spin the Slurry ?original ↗

9 Jan 2019

2018

Water for Coffee Extraction original ↗

16 Dec 2018

Improving the Bloom of your V60 Coffee original ↗

11 Dec 2018

How to Brew Better Coffee with a V60 original ↗

30 Nov 2018