Acoustic Holograms Go Dynamic: A Programmable Polymer Makes “Sound Movies” at 50,000 fps
newswade
October 15, 2025
A rewritable, acoustically transparent polymer film paired with a compact piezo array turns ultrasound into dynamic holograms—10,000 px/cm² and 50,000 fps. The system preserves energy, writes heat paths through tissue, and herds microparticles on demand. It’s a leap toward real-time acoustic tweezers, precise therapy, and reconfigurable micro-assembly.
