A research team from the esteemed Universidad Pública de Navarra in Spain has recently unveiled a groundbreaking three-dimensional holographic projection technology dubbed "FlexiVol." This cutting-edge technology boasts the capability to project crisp holographic images in mid-air, sans the necessity for any wearable devices, and facilitates direct hand interactions with these projections. Leveraging the synergy between high-speed, flexible diffusion sheets and high-frame-rate projection equipment, FlexiVol harnesses the phenomenon of persistence of vision to render lifelike three-dimensional images. Unlike conventional technologies that rely on rigid materials, FlexiVol employs deformable materials, empowering users to reach into the holographic space to grasp, manipulate, or rotate objects. Simultaneously, it corrects any image distortion caused by material deformation in real-time. Looking ahead, FlexiVol is poised to revolutionize sectors such as education and popular science exhibitions, offering an immersive and collaborative interactive experience for multiple participants.