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← Grinding coffee too fine liberates more astringent compounds by…
17 connected korrents · 13 moments from 16 Jul 2022 to 24 Sept 2026.
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innovation Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: Grinding coffee too fine liberates more astringent compounds by breaking more coffee cells, causing astringency no matter how evenly water flows. Grinding coffee too fine liberates more astringent compounds by breaking more coffee cells, causing astringency no matter how evenly water flows. Last stated 4 years ago
1 Aug 2022
JG
Jonathan Gagné — holds since 2022-08-01 — tap for who they are
Same subject: A deeper coffee bed reduces astringency by trapping long molecules on particle surfaces, not by pore-size filtration. — tap to centre the map on it A deeper coffee bed reduces astringency by trapping long molecules on particle surfaces, not by pore-size filtration. Last stated 11 months ago
28 Nov 2025
JG
Jonathan Gagné — holds since 2025-11-28 — tap for who they are
Same subject: The compounds responsible for astringency in coffee require very high water temperatures to dissolve efficiently. — tap to centre the map on it The compounds responsible for astringency in coffee require very high water temperatures to dissolve efficiently. Last stated 4 years ago
1 Aug 2022
JG
Jonathan Gagné — holds since 2022-08-01 — tap for who they are
Same subject: In coffee brewing, channels that reach the bottom of the coffee bed carry astringency-causing compounds into the cup. — tap to centre the map on it In coffee brewing, channels that reach the bottom of the coffee bed carry astringency-causing compounds into the cup. Last stated 12 months ago
11 Nov 2025
SR
Scott Rao — holds since 2025-11-11 — tap for who they are
Same subject: Avoiding astringency in coffee is fundamentally a filtration problem rather than simply a matter of flow evenness. — tap to centre the map on it Avoiding astringency in coffee is fundamentally a filtration problem rather than simply a matter of flow evenness. Last stated 4 years ago
1 Aug 2022
JG
Jonathan Gagné — holds since 2022-08-01 — tap for who they are
Same subject: Brewing coffee with too deep a bed forces a coarser grind, which lowers extraction efficiency and wastes coffee grounds. — tap to centre the map on it Brewing coffee with too deep a bed forces a coarser grind, which lowers extraction efficiency and wastes coffee grounds. Last stated 12 months ago
11 Nov 2025
SR
Scott Rao — holds since 2025-11-11 — tap for who they are
Same subject: Coffee processing method's effect on fines production is much smaller than popularly believed. — tap to centre the map on it Coffee processing method's effect on fines production is much smaller than popularly believed. Last stated 6 months ago
4 May 2026
SR
Scott Rao — holds since 2026-05-04 — tap for who they are
Same subject: Flat burr grinders tend to deposit ground coffee preferentially on one side of the portafilter, an effect worsened by higher grinder RPM. — tap to centre the map on it Flat burr grinders tend to deposit ground coffee preferentially on one side of the portafilter, an effect worsened by higher grinder RPM. Last stated 4 years ago
16 Jul 2022
JG
Jonathan Gagné — holds since 2022-07-16 — tap for who they are
Same subject: Poorly aligned grinder burrs are far more common than the coffee community acknowledges. — tap to centre the map on it Poorly aligned grinder burrs are far more common than the coffee community acknowledges. Last stated 6 months ago
4 May 2026
SR
Scott Rao — holds since 2026-05-04 — tap for who they are
Same subject: A $1,299, 100-gram pair of slip-on glasses seems far more enticing than a $3,699, 700-gram headset strapped to the face. — tap to centre the map on it A $1,299, 100-gram pair of slip-on glasses seems far more enticing than a $3,699, 700-gram headset strapped to the face. Last stated a month ago
24 Sept 2026
MS
M.G. Siegler — holds since 2026-09-24 — tap for who they are
Same subject: A baby-step version of eval-driven design is to sketch out 10 to 20 hero flows and run the feature or interaction through them to see where it falls apart. — tap to centre the map on it A baby-step version of eval-driven design is to sketch out 10 to 20 hero flows and run the feature or interaction through them to see where it falls apart. Last stated 2 months ago
9 Sept 2026
EB
Ed Bayes — holds since 2026-09-09 — tap for who they are
Same subject: A blank chat box is lazy: it violates the first rule of a good user experience, that it is obvious what you can do. — tap to centre the map on it A blank chat box is lazy: it violates the first rule of a good user experience, that it is obvious what you can do. Last stated a year ago
12 May 2025
JZ
Julie Zhuo — holds since 2025-05-12 — tap for who they are
Same subject: A Black writer is needed to portray Black life truly, and white people from a Black standpoint — tap to centre the map on it A Black writer is needed to portray Black life truly, and white people from a Black standpoint
AC
Anna Julia Cooper — holds since c. 1892 — tap for who they are
Same subject: A browser that answers with generated prose instead of links is not a web browser but an anti-web browser, and it hides that substitution from the person using it. — tap to centre the map on it A browser that answers with generated prose instead of links is not a web browser but an anti-web browser, and it hides that substitution from the person using it. Last stated a year ago
22 Oct 2025
AD
Anil Dash — holds since 2025-10-22 — tap for who they are
Same subject: A certain kind of financial struggle often serves as a catalyst for writers to produce great works. — tap to centre the map on it A certain kind of financial struggle often serves as a catalyst for writers to produce great works. Last stated 2 years ago
24 Oct 2024
WY
Waqas Younas — holds since 2024-10-24 — tap for who they are
Same subject: A badly written AI outbound email is evidence of a bad vendor, not of a limit of AI. — tap to centre the map on it A badly written AI outbound email is evidence of a bad vendor, not of a limit of AI. Last stated 10 months ago
1 Jan 2026
JL
Jason Lemkin — holds since 2026-01-01 — tap for who they are
Same subject: A growing fraction of social media is AI slop influencers being replied to by bots — an echo of an echo of an echo. — tap to centre the map on it A growing fraction of social media is AI slop influencers being replied to by bots — an echo of an echo of an echo. Last stated 2 months ago
23 Aug 2026
FC
François Chollet — holds since 2026-08-23 — tap for who they are
Same subject: A low-effort AI-designed landing page costs a product its audience before the product itself is ever judged. — tap to centre the map on it A low-effort AI-designed landing page costs a product its audience before the product itself is ever judged. Last stated 3 months ago
13 Aug 2026
MH
Mitchell Hashimoto — holds since 2026-08-13 — tap for who they are
At the centre
Grinding coffee too fine liberates more astringent compounds by breaking more coffee cells, causing astringency no matter how evenly water flows.
Holds Read this korrent →
A deeper coffee bed reduces astringency by trapping long molecules on particle surfaces, not by pore-size filtration.
Holds
The compounds responsible for astringency in coffee require very high water temperatures to dissolve efficiently.
Holds
In coffee brewing, channels that reach the bottom of the coffee bed carry astringency-causing compounds into the cup.
Holds
Avoiding astringency in coffee is fundamentally a filtration problem rather than simply a matter of flow evenness.
Holds
Brewing coffee with too deep a bed forces a coarser grind, which lowers extraction efficiency and wastes coffee grounds.
Holds
Coffee processing method's effect on fines production is much smaller than popularly believed.
Holds
Flat burr grinders tend to deposit ground coffee preferentially on one side of the portafilter, an effect worsened by higher grinder RPM.
Holds
Poorly aligned grinder burrs are far more common than the coffee community acknowledges.
Holds
A $1,299, 100-gram pair of slip-on glasses seems far more enticing than a $3,699, 700-gram headset strapped to the face.
Holds
A baby-step version of eval-driven design is to sketch out 10 to 20 hero flows and run the feature or interaction through them to see where it falls apart.
Holds
A blank chat box is lazy: it violates the first rule of a good user experience, that it is obvious what you can do.
Holds
A Black writer is needed to portray Black life truly, and white people from a Black standpoint
Last stated c. 1892
Holds
A browser that answers with generated prose instead of links is not a web browser but an anti-web browser, and it hides that substitution from the person using it.
Holds
A certain kind of financial struggle often serves as a catalyst for writers to produce great works.
Holds
A badly written AI outbound email is evidence of a bad vendor, not of a limit of AI.
Holds
A growing fraction of social media is AI slop influencers being replied to by bots — an echo of an echo of an echo.
Holds
A low-effort AI-designed landing page costs a product its audience before the product itself is ever judged.
Holds