Scientists Create a New Type of Hologram

Projecting three-dimensional (3D) images in thin air, called holography, moved from science fiction to reality a long time ago. But this type of graphic display is not in wide use because the required equipment is still expensive. Scientists at the Brigham Young University have discovered a cheaper method of holography, using particles floating in the air. VOA's George Putic reports.

© La Voix de l'Amérique - dimanche 28 janvier 2018