This contrasts with a white light reflection hologram, which can be observed with regular daylight illumination from the front, and which is the type that people are probably most familiar with.

“What we see in films and call holograms are typically volumetric displays,” said Bouzbib, the lead author of the work. “These are graphics that appear in mid-air and can be viewed from ...

This touchable 3D hologram technology also opens the door for collaborative interaction. Multiple users can engage with the same virtual objects simultaneously, fostering group work and shared ...