Scientists Made Espresso Without Hot Water, And People Couldn't Tell
Most of us think of espresso as a hot, high-pressure ritual....
News Desk
Staff Writer
Published
Jun 14, 2026
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ScienceAlert
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AI Insight:This discovery challenges conventional wisdom about the role of temperature in espresso production.
Most of us think of espresso as a hot, high-pressure ritual, synonymous with steamy coffee shops and rich, bold flavors. However, a recent experiment by scientists has revealed that espresso can be made without hot water, and surprisingly, the resulting beverage is virtually indistinguishable from traditionally brewed espresso. By using a combination of high pressure and precise temperature control, researchers were able to extract the optimal amount of flavor and oils from the coffee beans without the need for hot water. This breakthrough has significant implications for the coffee industry, potentially opening up new avenues for production and distribution. The study's findings also underscore the complexity of the coffee-making process and the importance of understanding the underlying chemistry and physics involved. As the demand for specialty coffee continues to grow, innovations like this one are likely to play a key role in shaping the future of the industry.