Today’s Solutions: July 18, 2026

Top-down view of a white cup of black coffee on a pale blue wooden surface with visible grain patterns and a shadow to the right.

This ultrasonic espresso method uses 75 percent less energy and tastes just as good

BY THE OPTIMIST DAILY EDITORIAL TEAM So many of us participate in the same morning coffee ritual: the machine warming up, the pressure building, the crema settling into the cup. It’s such a fixed sequence that it’s hard to imagine any part of it changing. But against the odds, researchers at Read More...