Evidence and Physics of Nanobubbles in Water

Gases dissolved as molecules in water support life from bacteria to fish stocks. Recently claims emerged that water can be stably oversaturated by creating gaseous bodies, aka nanobubbles. These claims were supported with reports of their beneficial use. Yet as of now scientific proofs that nanobubbles exist are absent. Here, we will provide answers to the pertaining questions if these nanobubbles exists, what stabilizes them, and how they can be generated. Prof Ohl focuses on the formation of individual nanobubbles and their stabilization, while Prof Sun (China) evaluates large populations of nanobubbles through pressure sensitive dynamic light scattering.