This Coffee Machine Makes Cold Brew That Looks Like a Frothy Pint of Guinness
Briefly

The Cumulus Machine creates genuine cold brew and cold espresso in about a minute, but it's expensive, bulky, and requires proprietary capsules, making it a luxury item.
The foam from the Cumulus Machine delivers satisfying crema for cocktails like espresso martinis, surprising users with its thick and frothy texture without needing to shake.
Read at WIRED
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