‘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.
I don’t think the “companies making ready-to-drink coffee products at industrial scale” that article is talking about this being designed for are running a 1500 watt appliance for 15 minutes a day.
They’re thinking more that factories won’t need to use traditional extractors which generally need to heat stuff to high temperatures to make coffee milk drinks and soluble instant coffee, etc.
I don’t think the “companies making ready-to-drink coffee products at industrial scale” that article is talking about this being designed for are running a 1500 watt appliance for 15 minutes a day.
They’re thinking more that factories won’t need to use traditional extractors which generally need to heat stuff to high temperatures to make coffee milk drinks and soluble instant coffee, etc.