https://futurism.com/scientists-have-created-a-totally-new-type-of-laser-with-light-and-water-waves/
A bit fuzzy on what they are doing, but they appear to be pumping (like a diode or pump laser) around a section of water to create something entirely new.
A bit fuzzy on what they are doing, but they appear to be pumping (like a diode or pump laser) around a section of water to create something entirely new.