A research team led by the University of Helsinki has demonstrated an invention that transports liquids, mist, powders, and electric discharge through open air without solid containers. Powered by ultrasonic waves emitted by 256 miniature transducers, the contactless channel creates an invisible boundary that guides matter horizontally in midair.
Giovanni Sapere
A research team led by Zhiyuan Zhang has developed a microscale method capable of generating and steering individual hydrogen bubbles across a chip. Published in Science Advances, the technical innovation uses tailored ultrasound frequencies to manipulate microbubbles by size, offering a new mechanism to drive tiny actuators in fluids.
Letizia Giugliano
An ultrasound system transforms Braille alphabet into stimuli for the hands of the blind making it possible to read the text without directly touching a surface Braille is a tactile relief reading and writing system for the blind and visually impaired. It is often used in public places as fixed…
Mario Vincenzo La Rocca
