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  "path": "/news/112838-scientists-made-espresso-sound-instead-heat-most-drinkers.html",
  "publishedAt": "2026-06-21T10:27:00.000Z",
  "site": "https://www.techspot.com",
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  "textContent": "\nDeveloped by engineers and food scientists at UNSW Sydney, this new method is called \"ultrasonic espresso\" and replaces heat with mechanical energy. It runs at room temperature, using sound waves to pull flavor from finely ground coffee, and reaches espresso-level intensity in under three minutes despite the cold-water start.\n\nRead Entire Article\n\n",
  "title": "Scientists made espresso with sound instead of heat, and most drinkers couldn't tell the difference"
}