Touchable Hologram Becomes Reality (w/ Video)

(PhysOrg.com) -- Researchers from the University of Tokyo have developed 3D holograms that can be touched with bare hands. Generally, holograms can't be felt because they're made only of light. But the new technology adds ...

Who cares about the fourth dimension?

Austrian scientists are trying to understand the mysteries of the holographic principle: How many dimensions are there in our universe?

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