Question: has anyone invented something close to a hologram?

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  1. Not sure what you mean? You mean like a 3D image made of light? Yes, people are working on this sort of technology, but I don’t know much about it. Tupac Shakur was brought back to life as something of a hologram at a music festival recently:

    http://www.npr.org/blogs/therecord/2012/04/17/150820261/how-that-tupac-hologram-at-coachella-worked

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  2. I am not sure

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  3. Don’t know, but an exciting idea 🙂

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  4. We actually already have invented holograms, but most of them aren’t very sophisticated. I made one in the lab at university, but it was more like a 3D photograph than what I think you’re referring to.

    I think that in the coming 10 or so years we’ll start to see more holographic displays built into smart phones and the like. There are lots of rumours around about that!

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