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renatoa

10/19/2021 6:22 AM

Welcome tarunk!

renatoa

10/17/2021 12:40 PM

Ploni and nader fouad, Welcome!

renatoa

10/15/2021 2:19 AM

merlot85, maycondelpiero and hoeltz, Welcome !

CupOfJoe

10/14/2021 10:06 AM

Thanks for the addition to the group. Seriously considering building a drum roaster along the lines of oldgrumpus's. Love the design and craftsmanship.

renatoa

10/14/2021 4:00 AM

Morning, ar3mia ! and...

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Homeroasters - Home Roasting Coffee Community » GENERAL COFFEE TOPICS » Books, Magazines, Blogs and Articles

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Caffeine 'traffic light' detects coffee jitter levels
Dan	#1 Posted on 08/10/2013 2:05 PM
1 1/2 Pounder Posts: 1662 Location: West Lafayette, Indiana, USA Joined: October 24, 2005	Cute idea, if only it had more precision than just three levels. The title is mistaken. Coffee "jitters" doesn't come from caffeine, but a yet to be identified chemical in coffee, but not tea or chocolate. http://news.cnet....er-levels/ The science behind the invention is here: http://www.nature...02255.html 1 pound electric sample roaster, 3 pound direct-flame roaster, both handmade; modified Mazzer Mini grinder, LaSpaziale Vivaldi II automatic espresso machine. When the electricity goes out I make vacpot coffee from beans ground on my Zassenhaus hand grinder, and heat the water with a teakettle on the gas range.
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