alt Hacker NewsWhat exactly is the innovation here compared to the press release from two years ago?[1]
[1]: https://www.unsw.edu.au/newsroom/news/2024/05/Ultrasonic_col...
What exactly is the innovation here compared to the press release from two years ago?[1]
[1]: https://www.unsw.edu.au/newsroom/news/2024/05/Ultrasonic_col...
Different kind of coffee drink being prepared; espresso vs cold brew.
(You might quibble whether it's actually espresso if there's not pressure and it's extracted cold; but it's closer to espresso in strength.)