I'm the (self-proclaimed) "Espresso Guy." I created this website to educate the home espresso making newbie and to provide recipes, tips, and troubleshooting steps for those already pulling their own espresso shots. If you're having trouble deciding what to buy, there's guides on buying beans and equipment.

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Caffeine content of espresso vs. cold brew vs. drip coffee

Last month CNET broke down the caffeine content of espresso, cold brew, and drip coffee. The timing of the article couldn’t be worse — interest in cold brew coffee picks up in the summer and dies out in the fall. But there’s still some interesting points worth considering.

First, the amount of caffeine you consume depends both on the brewing method and on how much you consume. Generally for espresso that’s only a shot or two, but varies a little more with drip coffee. Second, cold brew is typically made as a concentrate and diluted with some water, though the amount of dilution often varies significantly.

What’s a little surprising here though is just how much caffeine is in cold brew coffee compared to espresso and drip. I’m no chemist, but I’d assume this is related to both the longer steep time and higher coffee to water ratio of cold brew.

If you’ve never tried cold brew coffee I’d definitely encourage you to do so, though maybe wait until hotter weather makes it more palatable. It’s simple enough that anyone with a coffee grinder can make it at home. (And yes, once again I swear I’ll add cold brew techniques to this website someday.) Compared to drip coffee, cold brew has a surprisingly “heavy” texture that’s similar to mineral water, but otherwise smells similar to drip coffee.

Despite CNET’s findings, I’ve always found the caffeine rush from cold brew to be fairly mellow. But maybe my body is different than yours — what do you think? I’d suggest testing this one out on your own.

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Espresso machine… in the bathroom? No thanks.

Matthew Muenster is a contractor best known for his appearances on HGTV. Recently he’s made headlines for suggesting a truly bizarre bathroom renovation tip: including an espresso machine in your bathroom.

Wait, what? Sure, bathrooms and kitchens both have running water — and you can wash your hands in either room — but the similarities pretty much end there. For Seinfeld fans, Muenster’s suggestion evokes the episode where Kramer installed a garbage disposal in his bathtub. Some lines aren’t meant to be crossed.

Muenster defends his decision by saying that he wants coffee in the morning with his shower. Well, sure. That’s all well and good. But most of us also want breakfast in the morning, and that doesn’t mean putting a stove or a refrigerator in the bathroom; it simply means walking into another room.

I suppose there’s a certain convenience in having an espresso machine in your bathroom that sounds appealing at first glance. But there’s two major problems with this. First, coffee beans are notorious for absorbing smells. Do you really want your espresso to have the smell and taste of your bathroom? No thanks! Second, coffee grinders and moisture are mortal enemies. No matter what type of coffee you’re preparing you’ll want freshly ground coffee. I don’t care how well ventilated your bathroom is, a couple months worth of hot showers will turn any grinder’s burrs to a pile of rust.

So let’s not kid ourselves; we have separate rooms in our homes for a reason, and espresso does not belong in a bathroom. I’d understand if you wanted to put an espresso machine in your office, bedroom, or even a hallway. But in a bathroom? No thanks.

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More details on the espresso machine built for space

As I’ve previously covered, scientists have worked to build an espresso machine that can work in the International Space Station (ISS.)

It turns out bringing espresso to space was no easy challenge. According to a recent Bloomberg article the Italian espresso scientists struggled to come up with a version of their espresso machine that meet NASA’s strict safety requirements:

NASA views anything greater than 60 pounds per square inch of pressure as a safety concern, and brewing espresso requires at least twice that. To minimize the danger of a blowout, the engineers replaced the traditional rotary pump with a plunger—like in a syringe—driven by an electric motor with just enough power to do the job, and no more.

But the good news is that all the effort seems to have paid off. So if one day humans do establish a colony on Mars, at least we’ll still be awake when the ship lands.

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Report: Millennials seek out high quality espresso drinks

A report from the National Coffee Association indicates that espresso consumption is on the rise, particularly within the Millennial generation.

Though I haven’t read the full report myself due to the $700 access fee, the idea that younger coffee drinkers prefer quality espresso beverages made from sustainable grown coffee beans is good news for the industry. However the one piece of bad news for this particular website is that more coffee is being consumed at cafes, whereas this site is primarily (though not entirely) about making espresso at home.

That said, the report indicates that cold brew coffee is finally catching on. I’m considering adding cold brew techniques to this website because it’s such a wonderful way to wake up during the hot summer months when a warm espresso doesn’t seem so appealing. Feel free to contact me if you have any thoughts on the matter of cold brew.

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Moka pot used as urn

When Renato Bialetti passed away recently at the age of 93, his ashes weren’t placed in a typical urn. Instead, they were placed in a moka pot per his wishes.

Why? Bialetti is widely considered the businessman who popularized the moka pot, an invention his father came up with back in the 1930′s.

Although the espresso machine buying guide on this very site warns espresso enthusiasts not to buy a moka pot, credit where credit’s due: it’s certainly a clever invention and easily the cheapest way to make espresso at home. In fact, at that time a moka pot could make espresso that was just as good as what you’d find at the best cafes of the era. So hat’s off to Bialetti and his father for helping to revolutionize the espresso industry.

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