Touching a Hologram

Source: Mashable, Jun 2015

In the team’s demonstration video, a finger is shown safely touching the holograms made of voxels (points of light emitted by plasma when a laser’s focus ionizes the air). The holograms include a heart, a star and even a tiny fairy. All the images shows are essentially three-dimensional representations of two-dimension images, but it doesn’t take much to imagine how far this could be taken with more sophisticated imagery


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