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Another trick you can try is to just wet the grounds (same temperature as brewing) and let them soak for 30 seconds before continuing with brewing. This allows the release of CO2 from the grounds which is then converted to acid when dissolved in the brewed coffee. I use the pour-over method of brewing, so this is easy to do, but if using a drip coffee maker, it takes more effort.
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Although there may be a small amount of CO2 adsorbed on the coffee granules, it would never be a problem in coffee being brewed with (approximately) boiling water. Like all gasses, it's solubility is decreased with increasing temperature - and by the time water is near boiling it's been long gone. Water is also (temporarily) deoxygenated, too, at that temperature.
The amount of CO2 is pretty trivial to begin with - at least in terms of what you'd taste. In fact, subjective though it may be, the coffee that inspired the original post is more sour than, for example, seltzer. Which is brought up as a further example for you (or science experiment !). Have you noticed opening a war bottle of any carbonated beverage results in a lot of gas coming out of solution and frothing all over the place? The reduced pressure (from even more gas that has left solution) being released allows it to try to find a new equilibrium of dissolved gases for it's temperature and pressure - but COLD it hardly froths at all by comparison. Why not heat up a nice big cup of your favorite carbonated beverage and see how it tastes (even after cooling).
| Ravings en masse^ |
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| "The difference between genius and stupidity is that genius has its limits." - Albert Einstein | | "If you are searching for perfection in others, then you seek disappointment. If you seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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Picking those types of chimes that, more or less, are never dissonant is clever but it gives me an interesting thought about understanding complexity.
Sometimes, visual complexity can be overwhelming - probably in no small part in that our vision is our most intensive information input method. Converting to audio, although not necessarily giving any explicit understanding of the complexity is an interesting mechanism to impart its depth.
Standardized is some manner, or maybe a few, may make this an interesting tool.
Which, this being CP, begs the question of how code would sound if its structure were represented audibly. Also, the frightening aspect of Q&A so represented - even those chimes can be forced into dissonance.
| Ravings en masse^ |
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| "The difference between genius and stupidity is that genius has its limits." - Albert Einstein | | "If you are searching for perfection in others, then you seek disappointment. If you seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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Quote: how code would sound if its structure were represented audibly
A total cacophony, with powerful subsonic elements that would bring down nearby buildings.
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Video was displayed as "unavailable" and this particular PC doesn't have a VPN available on it to get around it.
| Ravings en masse^ |
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| "The difference between genius and stupidity is that genius has its limits." - Albert Einstein | | "If you are searching for perfection in others, then you seek disappointment. If you seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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A quick Google for "Cage 4:33" should find a copy for you. 
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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W∴ Balboos, GHB wrote: how code would sound if its structure were represented audibly.
In my university days, the computer centre's CDC 3200 had a DAC from the top 3 bits of the accumulator hooked up to a speaker. Experienced operators could tell the progress of jobs by the sound. And of course certain Engineering students tried to abuse the facility....
Software rusts. Simon Stephenson, ca 1994. So does this signature. me, 2012
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W∴ Balboos, GHB wrote: Which, this being CP, begs the question of how code would sound if its structure were represented audibly
Which begs the question about going the other way: A sound-based programming language.
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Interesting to note that of the "drug spider webs", caffeine is on the extreme end of "irregularity".
Effect of psychoactive drugs on animals - Wikipedia
It was only in wine that he laid down no limit for himself, but he did not allow himself to be confused by it.
― Confucian Analects: Rules of Confucius about his food
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We had bright sunshine yesterday. Today I woke up to a light dusting of snow, which has gradually built up to what would be described as (in the south east of the UK) a blizzard. 
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Yes, we had a bright warm - ish - day yesterday. Wind was a little lazy, but it was a nice day.
Until it started to snow, that is. Of course, by then the washing on the line was nearly dry ... 
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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No snow in Cambridge, but it's definitely brass monkeys here.
“That which can be asserted without evidence, can be dismissed without evidence.”
― Christopher Hitchens
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It does look like it's concentrated in the south east, and the worst bit was right overhead here in Woking until about half an hour ago.
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GuyThiebaut wrote: brass monkeys
Had to look that up - a quaint if inexplicable expression.
I, myself use "As devoid of thermal excitation as the dextro-mammary of a female necromancer" which is a polite way of saying "Cold as a witch's tit" that I composed in the middle 1980's.
( now, because of you, Honey the Code Which is going to give me icy stares! )
| Ravings en masse^ |
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| "The difference between genius and stupidity is that genius has its limits." - Albert Einstein | | "If you are searching for perfection in others, then you seek disappointment. If you seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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It is not unheard of to have snow in April/May here in Upstate New York. Snow happens.
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Yes, but where I live it is almost unheard of these days. And even in the depths of winter we get very little, compared to when I was growing up in the 1950s and 60s.
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Oh gawd yeah - I remember snow deeper than I was tall back in 62-63.
That one was exceptional, but winters are wetter than they were, and so are summers. I remember summer holidays when it was hot and sunny all day, every day.
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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I hear you. Perhaps this is an isolated weather pattern, or perhaps, the weather is beginning a slight reversal? Who knows.
Been sunny and warm here all last week and now rainy all this week. I hope we don't get any snow before summer.
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Global warming. Better get used to it.
Remember being told that the only way kids in the UK will ever see snow again is in a snow globe?
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Saturday was in the upper 70s and sunny. There's a chance of snow every night this week. Welcome to what those of us on the Colorado Front Range (I-25 corridor) get to experience every April.
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