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Scientists claim to have discovered secret to perfect espresso (www.theguardian.com)

submitted 11 months ago* (last edited 11 months ago) by [email protected] to c/[email protected]

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Spoiler, its RDT

In case people do nto know what RDT is, which they really should if they have been into coffee for a little while as it makes a big difference:

RDT is Ross Droplet Technique, which is very much adding water to beans. Named after David Ross who came up with it back in 2005

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[–] [email protected] 4 points 11 months ago (1 children)

Here is a link to the paper

[–] [email protected] 5 points 11 months ago

My favorite part of that paper is that thanks to them actually measuring particulate size we now have empirical proof adding a small amount of water improves the consistency of your grind:

it is clear that the inclusion of even small quantities of water (as low as 5μLg−1) results in an immediate reduction in electrostatic aggregates of boulders and fines