A movie of the latest device that projects images on a transparent film that floats in the air like a magic



Even though nothing was touched, a transparent film emerged, and the demonstration movie that projected the image with a projector on the surface was “magic”.




The movie starts from setting the transparent film in question on the machine.



The transparent film is placed in the red frame part of the image below. White balls like beads are attached to the four corners of the transparent film.



When the system is activated and the light is illuminated ...



Fluffy




The transparent film emerges and keeps altitude even though nothing is touched.



Not only did the transparent film emerge, but the orientation was changed from horizontal to vertical. On the transparent film, the

user interface software and technology symposium (UIST) logo and the letters “ UIST 2019 ” are projected.



The projected video can be switched. In the movie, the letters “HELLO” were moving on the transparent membrane.



The movie ends with the transparent film falling slowly.



This movie is a demonstration of `` LeviProps '' developed by the team of University of Sussex, UK and Navarra State University, Spain, announced at UIST 2019 held in Los Angeles, USA from October 20 to 23, 2019 is.

LeviProps: Animating Levitated Optimized Fabric Structures using Holographic Acoustic Tweezers
https://dl.acm.org/citation.cfm?id=3347882

Below is an explanation of the easy-to-understand principle by Jotaro who posted this movie.




In the published paper, it is stated that “the position of the ball for floating was optimized by calculation to improve the size and stability of the floating film to be floated”. LeviProps is said to be able to move the floated object in 6 degrees of freedom (up / down / left / right / front / back).

in Science,   Video, Posted by darkhorse_log