‘Ultrasonic espresso’ made with cold water and high-frequency sound waves uses less energy than the traditional version – and taste tests show it’s just as good.
The video that I watched? It was from How to Drink, which iirc he said he decided to try and make his video after watching a video that talked about speeding up extracts via ultrasonic cleaner, but I don’t recall what he said what was the video he watched.
The video that I watched? It was from How to Drink, which iirc he said he decided to try and make his video after watching a video that talked about speeding up extracts via ultrasonic cleaner, but I don’t recall what he said what was the video he watched.