Osma's instant cold brew machine brews liquid gold... for $695
from over a decade ago — this time, he's set his sights on something even more ambitious: Creating an entirely new form of coffee brewing.The Osma Pro relies on acoustic cavitation, or a wave of continuous pressure that agitates grounds, to extract a smooth and mellow shot of coffee. It has the nuances you'd find in cold brew , but it also adds layers of complexity you'd expect from espresso, like a delicate bit of crema at the top.
Now I wouldn't consider myself a true java expert, but I know my way around an espresso machine, and I've tried almost every other coffee brewing method over the years. During the summer, I typically rely on homemade iced lattes or cold brew . If I'mThose methods have kept me alert and productive since college, but Osma's coffee adds a bit more depth, with a velvety texture reminiscent of nitro cold brew.
Osma's stark anodized aluminum case makes it stand out in kitchens typically filled with gleaming stainless steel appliances. The 18-pound machine itself feels substantial, but I'd love to see Roth round out its sharp corners. I've already stabbed myself a few times while making coffee, and I'm worried about leaving it on the counter where my wife or toddler could inadvertently run into it.
Given how quickly nitro cold brew took off, I wouldn't be surprised if Osma finds a foothold in boutique coffee shops. Roth says it's already a permanent fixture at Chromatic in San Jose, and he's in discussions with other cafes. It's hard to anticipate demand for traditional cold brew, after all, so plenty of shops would likely welcome a faster way to craft a cold cup of joe.
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