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Professor Wonho Choe, KAIST Gas jets can create dimple-like depressions in liquid surfaces, and this phenomenon is familiar to anyone who has seen the cavity produced by blowing air through a straw directly above a cup of juice. As the speed of the gas jet increases, the cavity becomes unstable and starts bubbling and splashing.  “Understanding the physical properties of interactions between gases and liquids is crucial for many natural and industrial processes, such as the wind blowing over the surface of the ocean, or steelmaking methods that involve blowing oxygen over the top of molte...

Credit: Professor Wonho Choe, KAIST. A study by KAIST researchers revealed that an ionized gas jet blowing onto water, also known as a 'plasma jet', produces a more stable interaction with the water's surface compared to a neutral gas jet. This finding reported in the April 1 issue of Nature will help improve the scientific understanding of plasma-liquid interactions and their practical applications in a wide range of industrial fields in which fluid control technology is used, including biomedical engineering, chemical production, and agriculture and food engineering. Gas jets can create di...

Nanotechnology Now Our NanoNews Digest Sponsors Home > Press > From heat to spin to electricity: Understanding spin transport in thermoelectric devices: Scientists shed light on how the magnetic properties of 2D interlayers can enhance spin accumulation effects in thermoelectric heterostructures Thermoelectric materials will allow the efficient conversion of waste industrial heat into electricity. But to create effective thermoelectric materials, their underlying physics must be well understood. CREDIT Macrovector on Freepik Abstract: Thermoelectric materials, which can generate an electric v...