Science

A Shot of Science: Perfecting Espresso Extraction for Maximum Flavor

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Espresso machine brewing double shots

Scientists have found that more finely ground coffee beans lead to weaker espresso due to uneven extraction. They used a simple mathematical model to split the coffee into two regions and examined how the uneven flow affected the brewing process. This uneven flow persisted in different parts of the coffee bed, affecting the taste of … Read more

How the Voyager probes go and go decades after launch | CNN

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Each Voyager probe has three radioisotope thermoelectric generators.

Sign up for CNN’s Wonder Theory science newsletter. Explore the world with fascinating discoveries, scientific breakthroughs and more news. Pasadena, California CNN – When the Voyager probes lifted off weeks apart in 1977, no one expected that the twin spacecraft would extend their missions from four years to 45 years. Now, the mission team is … Read more