Cloak of Invisibility

[Zarathustra]

Actually, they have had a working invisibility cloak now for a couple of years at least.
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I was under the impression that

a) It's actually an image projected onto the fabric.
b) It only works for a single point of view, and any other angle from which one might view the "cloak" would give the person away.



Seems a novelty and nothing more.

Edit: Upon digging up a bit more information (and remembering an old video of the same technology), it is in fact a projected image that requires an apparatus to be between the viewer and the "cloak", projecting the image onto the cloak of what's on the other side. So you'd see the slight shimmer... and a bulky piece of tech on either side of the "hidden" person.