Magnets keep strings suspended without anchor points, and pushing a magnet piece bends notes, so you get expressive sounds with simple moves.
Abstract: The tensegrity aerial vehicle dexterously integrates the tensegrity structure and drones, embracing transitions between ground locomotion and aerial motions while maintaining resilience ...
Researchers at AppliedPhysics.org report early evidence that cells respond selectively to mathematically structured sound, not just acoustic power.